/******************************************************************************
 *
 *  Copyright 2009-2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

/*******************************************************************************
 *
 *  Filename:      btif_hl.c
 *
 *  Description:   Health Device Profile Bluetooth Interface
 *
 *
 ******************************************************************************/
#define LOG_TAG "bt_btif_hl"

#include "btif_hl.h"

#include <base/logging.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/poll.h>
#include <sys/prctl.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <time.h>
#include <unistd.h>

#include <hardware/bt_hl.h>

#include "bta_api.h"
#include "btif_common.h"
#include "btif_storage.h"
#include "btif_util.h"
#include "btu.h"
#include "mca_api.h"
#include "osi/include/list.h"
#include "osi/include/log.h"
#include "osi/include/osi.h"

#define MAX_DATATYPE_SUPPORTED 8

extern int btif_hl_update_maxfd(int max_org_s);
extern void btif_hl_select_monitor_callback(fd_set* p_cur_set,
                                            UNUSED_ATTR fd_set* p_org_set);
extern void btif_hl_select_wakeup_callback(fd_set* p_org_set,
                                           int wakeup_signal);
extern int btif_hl_update_maxfd(int max_org_s);
extern void btif_hl_select_monitor_callback(fd_set* p_cur_set,
                                            UNUSED_ATTR fd_set* p_org_set);
extern void btif_hl_select_wakeup_callback(fd_set* p_org_set,
                                           int wakeup_signal);
extern void btif_hl_soc_thread_init(void);
extern void btif_hl_release_mcl_sockets(uint8_t app_idx, uint8_t mcl_idx);
extern bool btif_hl_create_socket(uint8_t app_idx, uint8_t mcl_idx,
                                  uint8_t mdl_idx);
extern void btif_hl_release_socket(uint8_t app_idx, uint8_t mcl_idx,
                                   uint8_t mdl_idx);

btif_hl_cb_t btif_hl_cb;
btif_hl_cb_t* p_btif_hl_cb = &btif_hl_cb;

/*******************************************************************************
 *  Static variables
 ******************************************************************************/
static bthl_callbacks_t bt_hl_callbacks_cb;
static bthl_callbacks_t* bt_hl_callbacks = NULL;

/* signal socketpair to wake up select loop */

const int btif_hl_signal_select_wakeup = 1;
const int btif_hl_signal_select_exit = 2;
const int btif_hl_signal_select_close_connected = 3;

static int listen_s = -1;
static int connected_s = -1;
static pthread_t select_thread_id = -1;
static int signal_fds[2] = {-1, -1};
static list_t* soc_queue;
static int reg_counter;

static inline int btif_hl_select_wakeup(void);
static inline int btif_hl_select_close_connected(void);
static inline int btif_hl_close_select_thread(void);
static uint8_t btif_hl_get_next_app_id(void);
static int btif_hl_get_next_channel_id(uint8_t app_id);
static void btif_hl_init_next_app_id(void);
static void btif_hl_init_next_channel_id(void);
static void btif_hl_ctrl_cback(tBTA_HL_CTRL_EVT event, tBTA_HL_CTRL* p_data);
static void btif_hl_set_state(btif_hl_state_t state);
static btif_hl_state_t btif_hl_get_state(void);
static void btif_hl_cback(tBTA_HL_EVT event, tBTA_HL* p_data);
static void btif_hl_proc_cb_evt(uint16_t event, char* p_param);

#define CHECK_CALL_CBACK(P_CB, P_CBACK, ...) \
  do {                                       \
    if ((P_CB) && (P_CB)->P_CBACK) {         \
      (P_CB)->P_CBACK(__VA_ARGS__);          \
    } else {                                 \
      ASSERTC(0, "Callback is NULL", 0);     \
    }                                        \
  } while (0)

#define BTIF_HL_CALL_CBACK(P_CB, P_CBACK, ...)              \
  do {                                                      \
    if ((p_btif_hl_cb->state != BTIF_HL_STATE_DISABLING) && \
        (p_btif_hl_cb->state != BTIF_HL_STATE_DISABLED)) {  \
      if ((P_CB) && (P_CB)->P_CBACK) {                      \
        (P_CB)->P_CBACK(__VA_ARGS__);                       \
      } else {                                              \
        ASSERTC(0, "Callback is NULL", 0);                  \
      }                                                     \
    }                                                       \
  } while (0)

#define CHECK_BTHL_INIT()                                             \
  do {                                                                \
    if (bt_hl_callbacks == NULL) {                                    \
      BTIF_TRACE_WARNING("BTHL: %s: BTHL not initialized", __func__); \
      return BT_STATUS_NOT_READY;                                     \
    }                                                                 \
  } while (0)

static const btif_hl_data_type_cfg_t data_type_table[] = {
    /* Data Specilization                   Ntx     Nrx (from Bluetooth SIG's
       HDP whitepaper)*/
    {BTIF_HL_DATA_TYPE_PULSE_OXIMETER, 9216, 256},
    {BTIF_HL_DATA_TYPE_BLOOD_PRESSURE_MON, 896, 224},
    {BTIF_HL_DATA_TYPE_BODY_THERMOMETER, 896, 224},
    {BTIF_HL_DATA_TYPE_BODY_WEIGHT_SCALE, 896, 224},
    {BTIF_HL_DATA_TYPE_GLUCOSE_METER, 896, 224},
    {BTIF_HL_DATA_TYPE_STEP_COUNTER, 6624, 224},
    {BTIF_HL_DATA_TYPE_BCA, 7730, 1230},
    {BTIF_HL_DATA_TYPE_PEAK_FLOW, 2030, 224},
    {BTIF_HL_DATA_TYPE_ACTIVITY_HUB, 5120, 224},
    {BTIF_HL_DATA_TYPE_AMM, 1024, 64}};

#define BTIF_HL_DATA_TABLE_SIZE \
  (sizeof(data_type_table) / sizeof(btif_hl_data_type_cfg_t))
#define BTIF_HL_DEFAULT_SRC_TX_APDU_SIZE         \
  10240 /* use this size if the data type is not \
           defined in the table; for future proof */
#define BTIF_HL_DEFAULT_SRC_RX_APDU_SIZE       \
  512 /* use this size if the data type is not \
         defined in the table; for future proof */

#define BTIF_HL_ECHO_MAX_TX_RX_APDU_SIZE 1024

/*******************************************************************************
 *  Static utility functions
 ******************************************************************************/

#define BTIF_IF_GET_NAME 16
void btif_hl_display_calling_process_name(void) {
  char name[16];
  prctl(BTIF_IF_GET_NAME, name, 0, 0, 0);
  BTIF_TRACE_DEBUG("Process name (%s)", name);
}
#define BTIF_TIMEOUT_CCH_NO_DCH_MS (30 * 1000)

/*******************************************************************************
 *
 * Function      btif_hl_if_channel_setup_pending
 *
 * Description   check whether channel id is in setup pending state or not
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_if_channel_setup_pending(int channel_id, uint8_t* p_app_idx,
                                      uint8_t* p_mcl_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t i, j;
  bool found = false;

  *p_app_idx = 0;
  *p_mcl_idx = 0;
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    if (p_acb->in_use) {
      for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
        p_mcb = BTIF_HL_GET_MCL_CB_PTR(i, j);
        if (p_mcb->in_use && p_mcb->is_connected &&
            p_mcb->pcb.channel_id == channel_id) {
          found = true;
          *p_app_idx = i;
          *p_mcl_idx = j;
          break;
        }
      }
    }
    if (found) break;
  }
  BTIF_TRACE_DEBUG("%s found=%d channel_id=0x%08x", __func__, found, channel_id,
                   *p_app_idx, *p_mcl_idx);
  return found;
}
/*******************************************************************************
 *
 * Function      btif_hl_num_dchs_in_use
 *
 * Description find number of DCHs in use
 *
 * Returns      uint8_t
 ******************************************************************************/
uint8_t btif_hl_num_dchs_in_use(uint8_t mcl_handle) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t i, j, x;
  uint8_t cnt = 0;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    BTIF_TRACE_DEBUG("btif_hl_num_dchs:i = %d", i);
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    if (p_acb && p_acb->in_use) {
      for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
        if (p_acb->mcb[j].in_use)
          BTIF_TRACE_DEBUG(
              "btif_hl_num_dchs:mcb in use j=%d, mcl_handle=%d,mcb handle=%d",
              j, mcl_handle, p_acb->mcb[j].mcl_handle);
        if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
          p_mcb = &p_acb->mcb[j];
          BTIF_TRACE_DEBUG("btif_hl_num_dchs: mcl handle found j =%d", j);
          for (x = 0; x < BTA_HL_NUM_MDLS_PER_MCL; x++) {
            if (p_mcb->mdl[x].in_use) {
              BTIF_TRACE_DEBUG("btif_hl_num_dchs_in_use:found x =%d", x);
              cnt++;
            }
          }
        }
      }
    }
  }

  BTIF_TRACE_DEBUG("%s dch in use count=%d", __func__, cnt);
  return cnt;
}
/*******************************************************************************
 *
 * Function      btif_hl_timer_timeout
 *
 * Description   Process timer timeout
 *
 * Returns      void
 ******************************************************************************/
void btif_hl_timer_timeout(void* data) {
  btif_hl_mcl_cb_t* p_mcb = (btif_hl_mcl_cb_t*)data;

  BTIF_TRACE_DEBUG("%s", __func__);
  if (p_mcb->is_connected) {
    BTIF_TRACE_DEBUG("Idle timeout Close CCH mcl_handle=%d", p_mcb->mcl_handle);
    BTA_HlCchClose(p_mcb->mcl_handle);
  } else {
    BTIF_TRACE_DEBUG("CCH idle timeout But CCH not connected");
  }
}

/*******************************************************************************
 *
 * Function      btif_hl_stop_cch_timer
 *
 * Description  stop CCH timer
 *
 * Returns      void
 ******************************************************************************/
void btif_hl_stop_cch_timer(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);

  BTIF_TRACE_DEBUG("%s app_idx=%d, mcl_idx=%d", __func__, app_idx, mcl_idx);
  alarm_cancel(p_mcb->cch_timer);
}

/*******************************************************************************
 *
 * Function      btif_hl_start_cch_timer
 *
 * Description  start CCH timer
 *
 * Returns      void
 ******************************************************************************/
void btif_hl_start_cch_timer(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  BTIF_TRACE_DEBUG("%s app_idx=%d, mcl_idx=%d", __func__, app_idx, mcl_idx);

  alarm_free(p_mcb->cch_timer);
  p_mcb->cch_timer = alarm_new("btif_hl.mcl_cch_timer");
  alarm_set_on_mloop(p_mcb->cch_timer, BTIF_TIMEOUT_CCH_NO_DCH_MS,
                     btif_hl_timer_timeout, p_mcb);
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mdl_idx
 *
 * Description  Find the MDL index using MDL ID
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_find_mdl_idx(uint8_t app_idx, uint8_t mcl_idx,
                                 uint16_t mdl_id, uint8_t* p_mdl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_MDLS_PER_MCL; i++) {
    if (p_mcb->mdl[i].in_use && (mdl_id != 0) &&
        (p_mcb->mdl[i].mdl_id == mdl_id)) {
      found = true;
      *p_mdl_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d mdl_id=%d mdl_idx=%d ", __func__, found, mdl_id,
                   i);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_is_the_first_reliable_existed
 *
 * Description  This function checks whether the first reliable DCH channel
 *              has been setup on the MCL or not
 *
 * Returns      bool - true exist
 *                        false does not exist
 *
 ******************************************************************************/
bool btif_hl_is_the_first_reliable_existed(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  bool is_existed = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_MDLS_PER_MCL; i++) {
    if (p_mcb->mdl[i].in_use && p_mcb->mdl[i].is_the_first_reliable) {
      is_existed = true;
      break;
    }
  }

  BTIF_TRACE_DEBUG("bta_hl_is_the_first_reliable_existed is_existed=%d  ",
                   is_existed);
  return is_existed;
}
/*******************************************************************************
 *
 * Function      btif_hl_clean_delete_mdl
 *
 * Description   Cleanup the delete mdl control block
 *
 * Returns     Nothing
 *
 ******************************************************************************/
static void btif_hl_clean_delete_mdl(btif_hl_delete_mdl_t* p_cb) {
  BTIF_TRACE_DEBUG("%s", __func__);
  memset(p_cb, 0, sizeof(btif_hl_delete_mdl_t));
}

/*******************************************************************************
 *
 * Function      btif_hl_clean_pcb
 *
 * Description   Cleanup the pending chan control block
 *
 * Returns     Nothing
 *
 ******************************************************************************/
static void btif_hl_clean_pcb(btif_hl_pending_chan_cb_t* p_pcb) {
  BTIF_TRACE_DEBUG("%s", __func__);
  memset(p_pcb, 0, sizeof(btif_hl_pending_chan_cb_t));
}

/*******************************************************************************
 *
 * Function      btif_hl_clean_mdl_cb
 *
 * Description   Cleanup the MDL control block
 *
 * Returns     Nothing
 *
 ******************************************************************************/
static void btif_hl_clean_mdl_cb(btif_hl_mdl_cb_t* p_dcb) {
  BTIF_TRACE_DEBUG("%s", __func__);
  osi_free_and_reset((void**)&p_dcb->p_rx_pkt);
  osi_free_and_reset((void**)&p_dcb->p_tx_pkt);
  memset(p_dcb, 0, sizeof(btif_hl_mdl_cb_t));
}

/*******************************************************************************
 *
 * Function      btif_hl_reset_mcb
 *
 * Description   Reset MCL control block
 *
 * Returns      bool
 *
 ******************************************************************************/
static void btif_hl_clean_mcl_cb(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_mcl_cb_t* p_mcb;
  BTIF_TRACE_DEBUG("%s app_idx=%d, mcl_idx=%d", __func__, app_idx, mcl_idx);
  p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  alarm_free(p_mcb->cch_timer);
  memset(p_mcb, 0, sizeof(btif_hl_mcl_cb_t));
}

/*******************************************************************************
 *
 * Function      btif_hl_find_sdp_idx_using_mdep_filter
 *
 * Description  This function finds the SDP record index using MDEP filter
 *              parameters
 *
 * Returns      bool
 *
 ******************************************************************************/
static void btif_hl_reset_mdep_filter(uint8_t app_idx) {
  btif_hl_app_cb_t* p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  p_acb->filter.num_elems = 0;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_sdp_idx_using_mdep_filter
 *
 * Description  This function finds the SDP record index using MDEP filter
 *              parameters
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_find_sdp_idx_using_mdep_filter(uint8_t app_idx,
                                                   uint8_t mcl_idx,
                                                   uint8_t* p_sdp_idx) {
  btif_hl_app_cb_t* p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  uint8_t i, j, num_recs, num_elems, num_mdeps, mdep_idx;
  tBTA_HL_MDEP_ROLE peer_mdep_role;
  uint16_t data_type;
  tBTA_HL_SDP_MDEP_CFG* p_mdep;
  bool found = false;
  bool elem_found;

  BTIF_TRACE_DEBUG("btif_hl_find_sdp_idx_using_mdep_filter");
  num_recs = p_mcb->sdp.num_recs;
  num_elems = p_acb->filter.num_elems;
  if (!num_elems) {
    BTIF_TRACE_DEBUG("btif_hl_find_sdp_idx_using_mdep_filter num_elem=0");
    *p_sdp_idx = 0;
    found = true;
    return found;
  }

  for (i = 0; i < num_recs; i++) {
    num_mdeps = p_mcb->sdp.sdp_rec[i].num_mdeps;
    for (j = 0; j < num_elems; j++) {
      data_type = p_acb->filter.elem[j].data_type;
      peer_mdep_role = p_acb->filter.elem[j].peer_mdep_role;
      elem_found = false;
      mdep_idx = 0;
      while (!elem_found && mdep_idx < num_mdeps) {
        p_mdep = &(p_mcb->sdp.sdp_rec[i].mdep_cfg[mdep_idx]);
        if ((p_mdep->data_type == data_type) &&
            (p_mdep->mdep_role == peer_mdep_role)) {
          elem_found = true;
        } else {
          mdep_idx++;
        }
      }

      if (!elem_found) {
        found = false;
        break;
      } else {
        found = true;
      }
    }

    if (found) {
      BTIF_TRACE_DEBUG("btif_hl_find_sdp_idx_using_mdep_filter found idx=%d",
                       i);
      *p_sdp_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d sdp_idx=%d", __func__, found, *p_sdp_idx);

  btif_hl_reset_mdep_filter(app_idx);

  return found;
}
/*******************************************************************************
 *
 * Function      btif_hl_is_reconnect_possible
 *
 * Description  check reconnect is possible or not
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_is_reconnect_possible(uint8_t app_idx, uint8_t mcl_idx,
                                   int mdep_cfg_idx,
                                   tBTA_HL_DCH_OPEN_PARAM* p_dch_open_api,
                                   tBTA_HL_MDL_ID* p_mdl_id) {
  btif_hl_app_cb_t* p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  tBTA_HL_DCH_CFG local_cfg = p_dch_open_api->local_cfg;
  tBTA_HL_DCH_MODE dch_mode = BTA_HL_DCH_MODE_RELIABLE;
  bool use_mdl_dch_mode = false;
  btif_hl_mdl_cfg_t* p_mdl;
  btif_hl_mdl_cfg_t* p_mdl1;
  uint8_t i, j;
  bool is_reconnect_ok = false;
  bool stream_mode_avail = false;
  uint16_t data_type =
      p_acb->sup_feature.mdep[mdep_cfg_idx].mdep_cfg.data_cfg[0].data_type;
  tBTA_HL_MDEP_ID peer_mdep_id = p_dch_open_api->peer_mdep_id;
  uint8_t mdl_idx;

  BTIF_TRACE_DEBUG("%s app_idx=%d mcl_idx=%d mdep_cfg_idx=%d", __func__,
                   app_idx, mcl_idx, mdep_cfg_idx);
  switch (local_cfg) {
    case BTA_HL_DCH_CFG_NO_PREF:
      if (!btif_hl_is_the_first_reliable_existed(app_idx, mcl_idx)) {
        dch_mode = BTA_HL_DCH_MODE_RELIABLE;
      } else {
        use_mdl_dch_mode = true;
      }
      break;
    case BTA_HL_DCH_CFG_RELIABLE:
      dch_mode = BTA_HL_DCH_MODE_RELIABLE;
      break;
    case BTA_HL_DCH_CFG_STREAMING:
      dch_mode = BTA_HL_DCH_MODE_STREAMING;
      break;
    default:
      BTIF_TRACE_ERROR("Invalid local_cfg=%d", local_cfg);
      return is_reconnect_ok;
      break;
  }

  BTIF_TRACE_DEBUG("local_cfg=%d use_mdl_dch_mode=%d dch_mode=%d ", local_cfg,
                   use_mdl_dch_mode, dch_mode);

  for (i = 0, p_mdl = &p_acb->mdl_cfg[0]; i < BTA_HL_NUM_MDL_CFGS;
       i++, p_mdl++) {
    if (p_mdl->base.active && p_mdl->extra.data_type == data_type &&
        (p_mdl->extra.peer_mdep_id != BTA_HL_INVALID_MDEP_ID &&
         p_mdl->extra.peer_mdep_id == peer_mdep_id) &&
        p_mdl->base.peer_bd_addr != p_mcb->bd_addr && p_mdl->base.mdl_id &&
        !btif_hl_find_mdl_idx(app_idx, mcl_idx, p_mdl->base.mdl_id, &mdl_idx)) {
      BTIF_TRACE_DEBUG("i=%d Matched active=%d   mdl_id =%d, mdl_dch_mode=%d",
                       i, p_mdl->base.active, p_mdl->base.mdl_id,
                       p_mdl->base.dch_mode);
      if (!use_mdl_dch_mode) {
        if (p_mdl->base.dch_mode == dch_mode) {
          is_reconnect_ok = true;
          *p_mdl_id = p_mdl->base.mdl_id;
          BTIF_TRACE_DEBUG("reconnect is possible dch_mode=%d mdl_id=%d",
                           dch_mode, p_mdl->base.mdl_id);
          break;
        }
      } else {
        is_reconnect_ok = true;
        for (j = i, p_mdl1 = &p_acb->mdl_cfg[i]; j < BTA_HL_NUM_MDL_CFGS;
             j++, p_mdl1++) {
          if (p_mdl1->base.active && p_mdl1->extra.data_type == data_type &&
              (p_mdl1->extra.peer_mdep_id != BTA_HL_INVALID_MDEP_ID &&
               p_mdl1->extra.peer_mdep_id == peer_mdep_id) &&
              p_mdl1->base.peer_bd_addr != p_mcb->bd_addr &&
              p_mdl1->base.dch_mode == BTA_HL_DCH_MODE_STREAMING) {
            stream_mode_avail = true;
            BTIF_TRACE_DEBUG("found streaming mode mdl index=%d", j);
            break;
          }
        }

        if (stream_mode_avail) {
          dch_mode = BTA_HL_DCH_MODE_STREAMING;
          *p_mdl_id = p_mdl1->base.mdl_id;
          BTIF_TRACE_DEBUG(
              "reconnect is ok index=%d dch_mode=streaming  mdl_id=%d", j,
              *p_mdl_id);
          break;
        } else {
          dch_mode = p_mdl->base.dch_mode;
          *p_mdl_id = p_mdl->base.mdl_id;
          BTIF_TRACE_DEBUG("reconnect is ok index=%d  dch_mode=%d mdl_id=%d", i,
                           p_mdl->base.dch_mode, *p_mdl_id);
          break;
        }
      }
    }
  }

  BTIF_TRACE_DEBUG("is_reconnect_ok  dch_mode=%d mdl_id=%d", is_reconnect_ok,
                   dch_mode, *p_mdl_id);
  return is_reconnect_ok;
}

/*******************************************************************************
 *
 * Function      btif_hl_dch_open
 *
 * Description   Process DCH open request using the DCH Open API parameters
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_dch_open(uint8_t app_id, const RawAddress& bd_addr,
                      tBTA_HL_DCH_OPEN_PARAM* p_dch_open_api, int mdep_cfg_idx,
                      btif_hl_pend_dch_op_t op, int* channel_id) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_pending_chan_cb_t* p_pcb;
  uint8_t app_idx, mcl_idx;
  bool status = false;
  tBTA_HL_MDL_ID mdl_id;
  tBTA_HL_DCH_RECONNECT_PARAM reconnect_param;

  BTIF_TRACE_DEBUG("%s app_id=%d ", __func__, app_id);
  VLOG(0) << "DB " << bd_addr;

  if (btif_hl_find_app_idx(app_id, &app_idx)) {
    if (btif_hl_find_mcl_idx(app_idx, bd_addr, &mcl_idx)) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);

      p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
      if (!p_pcb->in_use) {
        p_mcb->req_ctrl_psm = p_dch_open_api->ctrl_psm;

        p_pcb->in_use = true;
        *channel_id = p_pcb->channel_id =
            (int)btif_hl_get_next_channel_id(app_id);
        p_pcb->cb_state = BTIF_HL_CHAN_CB_STATE_CONNECTING_PENDING;
        p_pcb->mdep_cfg_idx = mdep_cfg_idx;
        p_pcb->bd_addr = bd_addr;
        p_pcb->op = op;

        if (p_mcb->sdp.num_recs) {
          if (p_mcb->valid_sdp_idx) {
            p_dch_open_api->ctrl_psm = p_mcb->ctrl_psm;
          }

          if (!btif_hl_is_reconnect_possible(app_idx, mcl_idx, mdep_cfg_idx,
                                             p_dch_open_api, &mdl_id)) {
            BTIF_TRACE_DEBUG("Issue DCH open");
            BTA_HlDchOpen(p_mcb->mcl_handle, p_dch_open_api);
          } else {
            reconnect_param.ctrl_psm = p_mcb->ctrl_psm;
            reconnect_param.mdl_id = mdl_id;
            ;
            BTIF_TRACE_DEBUG("Issue Reconnect ctrl_psm=0x%x mdl_id=0x%x",
                             reconnect_param.ctrl_psm, reconnect_param.mdl_id);
            BTA_HlDchReconnect(p_mcb->mcl_handle, &reconnect_param);
          }

          status = true;
        } else {
          p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
          p_mcb->cch_oper = BTIF_HL_CCH_OP_DCH_OPEN;
          BTA_HlSdpQuery(app_id, p_acb->app_handle, bd_addr);
          status = true;
        }
      }
    }
  }

  BTIF_TRACE_DEBUG("status=%d ", status);
  return status;
}

/*******************************************************************************
 *
 * Function         btif_hl_dch_abort
 *
 * Description      Process DCH abort request
 *
 * Returns          Nothing
 *
 ******************************************************************************/
void btif_hl_dch_abort(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_mcl_cb_t* p_mcb;

  BTIF_TRACE_DEBUG("%s app_idx=%d mcl_idx=%d", __func__, app_idx, mcl_idx);
  p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  if (p_mcb->is_connected) {
    BTA_HlDchAbort(p_mcb->mcl_handle);
  } else {
    p_mcb->pcb.abort_pending = true;
  }
}
/*******************************************************************************
 *
 * Function      btif_hl_cch_open
 *
 * Description   Process CCH open request
 *
 * Returns     Nothing
 *
 ******************************************************************************/
bool btif_hl_cch_open(uint8_t app_id, const RawAddress& bd_addr,
                      uint16_t ctrl_psm, int mdep_cfg_idx,
                      btif_hl_pend_dch_op_t op, int* channel_id) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_pending_chan_cb_t* p_pcb;
  uint8_t app_idx, mcl_idx;
  bool status = true;

  BTIF_TRACE_DEBUG("%s app_id=%d ctrl_psm=%d mdep_cfg_idx=%d op=%d", __func__,
                   app_id, ctrl_psm, mdep_cfg_idx, op);
  VLOG(1) << "DB " << bd_addr;

  if (btif_hl_find_app_idx(app_id, &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);

    if (!btif_hl_find_mcl_idx(app_idx, bd_addr, &mcl_idx)) {
      if (btif_hl_find_avail_mcl_idx(app_idx, &mcl_idx)) {
        p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
        alarm_free(p_mcb->cch_timer);
        memset(p_mcb, 0, sizeof(btif_hl_mcl_cb_t));
        p_mcb->in_use = true;
        p_mcb->bd_addr = bd_addr;

        if (!ctrl_psm) {
          p_mcb->cch_oper = BTIF_HL_CCH_OP_MDEP_FILTERING;
        } else {
          p_mcb->cch_oper = BTIF_HL_CCH_OP_MATCHED_CTRL_PSM;
          p_mcb->req_ctrl_psm = ctrl_psm;
        }

        p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
        p_pcb->in_use = true;
        p_pcb->mdep_cfg_idx = mdep_cfg_idx;
        p_pcb->bd_addr = bd_addr;
        p_pcb->op = op;

        switch (op) {
          case BTIF_HL_PEND_DCH_OP_OPEN:
            *channel_id = p_pcb->channel_id =
                (int)btif_hl_get_next_channel_id(app_id);
            p_pcb->cb_state = BTIF_HL_CHAN_CB_STATE_CONNECTING_PENDING;
            break;
          case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
            p_pcb->channel_id = p_acb->delete_mdl.channel_id;
            p_pcb->cb_state = BTIF_HL_CHAN_CB_STATE_DESTROYED_PENDING;
            break;
          default:
            break;
        }
        BTA_HlSdpQuery(app_id, p_acb->app_handle, bd_addr);
      } else {
        status = false;
        BTIF_TRACE_ERROR("Open CCH request discarded- No mcl cb");
      }
    } else {
      status = false;
      BTIF_TRACE_ERROR("Open CCH request discarded- already in USE");
    }
  } else {
    status = false;
    BTIF_TRACE_ERROR("Invalid app_id=%d", app_id);
  }

  if (channel_id) {
    BTIF_TRACE_DEBUG("status=%d channel_id=0x%08x", status, *channel_id);
  } else {
    BTIF_TRACE_DEBUG("status=%d ", status);
  }
  return status;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mdl_idx_using_handle
 *
 * Description  Find the MDL index using channel id
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mdl_cfg_idx_using_channel_id(int channel_id,
                                               uint8_t* p_app_idx,
                                               uint8_t* p_mdl_cfg_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mdl_cfg_t* p_mdl;
  bool found = false;
  uint8_t i, j;
  int mdl_cfg_channel_id;

  *p_app_idx = 0;
  *p_mdl_cfg_idx = 0;
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MDL_CFGS; j++) {
      p_mdl = BTIF_HL_GET_MDL_CFG_PTR(i, j);
      mdl_cfg_channel_id = *(BTIF_HL_GET_MDL_CFG_CHANNEL_ID_PTR(i, j));
      if (p_acb->in_use && p_mdl->base.active &&
          (mdl_cfg_channel_id == channel_id)) {
        found = true;
        *p_app_idx = i;
        *p_mdl_cfg_idx = j;
        break;
      }
    }
  }

  BTIF_TRACE_EVENT("%s found=%d channel_id=0x%08x, app_idx=%d mdl_cfg_idx=%d  ",
                   __func__, found, channel_id, i, j);
  return found;
}
/*******************************************************************************
 *
 * Function      btif_hl_find_mdl_idx_using_handle
 *
 * Description  Find the MDL index using channel id
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mdl_idx_using_channel_id(int channel_id, uint8_t* p_app_idx,
                                           uint8_t* p_mcl_idx,
                                           uint8_t* p_mdl_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_mdl_cb_t* p_dcb;
  bool found = false;
  uint8_t i, j, k;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(i, j);
      for (k = 0; k < BTA_HL_NUM_MDLS_PER_MCL; k++) {
        p_dcb = BTIF_HL_GET_MDL_CB_PTR(i, j, k);
        if (p_acb->in_use && p_mcb->in_use && p_dcb->in_use &&
            (p_dcb->channel_id == channel_id)) {
          found = true;
          *p_app_idx = i;
          *p_mcl_idx = j;
          *p_mdl_idx = k;
          break;
        }
      }
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d mcl_idx=%d mdl_idx=%d  ", __func__,
                   found, i, j, k);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_channel_id_using_mdl_id
 *
 * Description  Find channel id using mdl_id'
 *
 * Returns      bool
 ******************************************************************************/
bool btif_hl_find_channel_id_using_mdl_id(uint8_t app_idx,
                                          tBTA_HL_MDL_ID mdl_id,
                                          int* p_channel_id) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mdl_cfg_t* p_mdl;
  bool found = false;
  uint8_t j = 0;
  int mdl_cfg_channel_id;
  p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  if (p_acb && p_acb->in_use) {
    for (j = 0; j < BTA_HL_NUM_MDL_CFGS; j++) {
      p_mdl = BTIF_HL_GET_MDL_CFG_PTR(app_idx, j);
      mdl_cfg_channel_id = *(BTIF_HL_GET_MDL_CFG_CHANNEL_ID_PTR(app_idx, j));
      if (p_mdl->base.active && (p_mdl->base.mdl_id == mdl_id)) {
        found = true;
        *p_channel_id = mdl_cfg_channel_id;
        break;
      }
    }
  }
  BTIF_TRACE_EVENT(
      "%s found=%d channel_id=0x%08x, mdl_id=0x%x app_idx=%d mdl_cfg_idx=%d  ",
      __func__, found, *p_channel_id, mdl_id, app_idx, j);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mdl_idx_using_handle
 *
 * Description  Find the MDL index using handle
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mdl_idx_using_handle(tBTA_HL_MDL_HANDLE mdl_handle,
                                       uint8_t* p_app_idx, uint8_t* p_mcl_idx,
                                       uint8_t* p_mdl_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_mdl_cb_t* p_dcb;
  bool found = false;
  uint8_t i, j, k;

  *p_app_idx = 0;
  *p_mcl_idx = 0;
  *p_mdl_idx = 0;
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(i, j);
      for (k = 0; k < BTA_HL_NUM_MDLS_PER_MCL; k++) {
        p_dcb = BTIF_HL_GET_MDL_CB_PTR(i, j, k);
        if (p_acb->in_use && p_mcb->in_use && p_dcb->in_use &&
            (p_dcb->mdl_handle == mdl_handle)) {
          found = true;
          *p_app_idx = i;
          *p_mcl_idx = j;
          *p_mdl_idx = k;
          break;
        }
      }
    }
  }

  BTIF_TRACE_EVENT("%s found=%d app_idx=%d mcl_idx=%d mdl_idx=%d  ", __func__,
                   found, i, j, k);
  return found;
}
/*******************************************************************************
 *
 * Function        btif_hl_find_peer_mdep_id
 *
 * Description      Find the peer MDEP ID from the received SPD records
 *
 * Returns          bool
 *
 ******************************************************************************/
static bool btif_hl_find_peer_mdep_id(uint8_t app_id, const RawAddress& bd_addr,
                                      tBTA_HL_MDEP_ROLE local_mdep_role,
                                      uint16_t data_type,
                                      tBTA_HL_MDEP_ID* p_peer_mdep_id) {
  uint8_t app_idx, mcl_idx;
  btif_hl_mcl_cb_t* p_mcb;
  tBTA_HL_SDP_REC* p_rec;
  uint8_t i, num_mdeps;
  bool found = false;
  tBTA_HL_MDEP_ROLE peer_mdep_role;

  BTIF_TRACE_DEBUG("%s app_id=%d local_mdep_role=%d, data_type=%d", __func__,
                   app_id, local_mdep_role, data_type);
  VLOG(1) << "DB " << bd_addr;

  BTIF_TRACE_DEBUG("local_mdep_role=%d", local_mdep_role);
  BTIF_TRACE_DEBUG("data_type=%d", data_type);

  if (local_mdep_role == BTA_HL_MDEP_ROLE_SINK)
    peer_mdep_role = BTA_HL_MDEP_ROLE_SOURCE;
  else
    peer_mdep_role = BTA_HL_MDEP_ROLE_SINK;

  if (btif_hl_find_app_idx(app_id, &app_idx)) {
    if (btif_hl_find_mcl_idx(app_idx, bd_addr, &mcl_idx)) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);

      BTIF_TRACE_DEBUG("app_idx=%d mcl_idx=%d", app_idx, mcl_idx);
      BTIF_TRACE_DEBUG("valid_spd_idx=%d sdp_idx=%d", p_mcb->valid_sdp_idx,
                       p_mcb->sdp_idx);
      if (p_mcb->valid_sdp_idx) {
        p_rec = &p_mcb->sdp.sdp_rec[p_mcb->sdp_idx];
        num_mdeps = p_rec->num_mdeps;
        BTIF_TRACE_DEBUG("num_mdeps=%d", num_mdeps);

        for (i = 0; i < num_mdeps; i++) {
          BTIF_TRACE_DEBUG("p_rec->mdep_cfg[%d].mdep_role=%d", i,
                           p_rec->mdep_cfg[i].mdep_role);
          BTIF_TRACE_DEBUG("p_rec->mdep_cfg[%d].data_type =%d", i,
                           p_rec->mdep_cfg[i].data_type);
          if ((p_rec->mdep_cfg[i].mdep_role == peer_mdep_role) &&
              (p_rec->mdep_cfg[i].data_type == data_type)) {
            found = true;
            *p_peer_mdep_id = p_rec->mdep_cfg[i].mdep_id;
            break;
          }
        }
      }
    }
  }

  BTIF_TRACE_DEBUG("found =%d  *p_peer_mdep_id=%d", found, *p_peer_mdep_id);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mdep_cfg_idx
 *
 * Description  Find the MDEP configuration index using local MDEP_ID
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_find_mdep_cfg_idx(uint8_t app_idx,
                                      tBTA_HL_MDEP_ID local_mdep_id,
                                      uint8_t* p_mdep_cfg_idx) {
  btif_hl_app_cb_t* p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  tBTA_HL_SUP_FEATURE* p_sup_feature = &p_acb->sup_feature;
  bool found = false;
  uint8_t i;

  for (i = 0; i < p_sup_feature->num_of_mdeps; i++) {
    BTIF_TRACE_DEBUG("btif_hl_find_mdep_cfg_idx: mdep_id=%d app_idx = %d",
                     p_sup_feature->mdep[i].mdep_id, app_idx);
    if (p_sup_feature->mdep[i].mdep_id == local_mdep_id) {
      found = true;
      *p_mdep_cfg_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d mdep_idx=%d local_mdep_id=%d app_idx=%d ",
                   __func__, found, i, local_mdep_id, app_idx);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mcl_idx
 *
 * Description  Find the MCL index using BD address
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mcl_idx(uint8_t app_idx, const RawAddress& p_bd_addr,
                          uint8_t* p_mcl_idx) {
  bool found = false;
  uint8_t i;
  btif_hl_mcl_cb_t* p_mcb;

  *p_mcl_idx = 0;
  for (i = 0; i < BTA_HL_NUM_MCLS; i++) {
    p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, i);
    if (p_mcb->in_use && p_mcb->bd_addr == p_bd_addr) {
      found = true;
      *p_mcl_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d idx=%d", __func__, found, i);
  return found;
}
/*******************************************************************************
 *
 * Function         btif_hl_init
 *
 * Description      HL initialization function.
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_init(void) {
  BTIF_TRACE_DEBUG("%s", __func__);
  memset(p_btif_hl_cb, 0, sizeof(btif_hl_cb_t));
  btif_hl_init_next_app_id();
  btif_hl_init_next_channel_id();
}
/*******************************************************************************
 *
 * Function         btif_hl_disable
 *
 * Description      Disable initialization function.
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_disable(void) {
  BTIF_TRACE_DEBUG("%s", __func__);

  if ((p_btif_hl_cb->state != BTIF_HL_STATE_DISABLING) &&
      (p_btif_hl_cb->state != BTIF_HL_STATE_DISABLED)) {
    btif_hl_set_state(BTIF_HL_STATE_DISABLING);
    BTA_HlDisable();
  }
}
/*******************************************************************************
 *
 * Function      btif_hl_is_no_active_app
 *
 * Description  Find whether or not  any APP is still in use
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_is_no_active_app(void) {
  bool no_active_app = true;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (btif_hl_cb.acb[i].in_use) {
      no_active_app = false;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s no_active_app=%d  ", __func__, no_active_app);
  return no_active_app;
}

/*******************************************************************************
 *
 * Function      btif_hl_free_app_idx
 *
 * Description free an application control block
 *
 * Returns      void
 *
 ******************************************************************************/
static void btif_hl_free_app_idx(uint8_t app_idx) {
  if ((app_idx < BTA_HL_NUM_APPS) && btif_hl_cb.acb[app_idx].in_use) {
    btif_hl_cb.acb[app_idx].in_use = false;
    for (size_t i = 0; i < BTA_HL_NUM_MCLS; i++)
      alarm_free(btif_hl_cb.acb[app_idx].mcb[i].cch_timer);
    memset(&btif_hl_cb.acb[app_idx], 0, sizeof(btif_hl_app_cb_t));
  }
}
/*******************************************************************************
 *
 * Function      btif_hl_set_state
 *
 * Description set HL state
 *
 * Returns      void
 *
 ******************************************************************************/
static void btif_hl_set_state(btif_hl_state_t state) {
  BTIF_TRACE_DEBUG("btif_hl_set_state:  %d ---> %d ", p_btif_hl_cb->state,
                   state);
  p_btif_hl_cb->state = state;
}

/*******************************************************************************
 *
 * Function      btif_hl_set_state
 *
 * Description get HL state
 *
 * Returns      btif_hl_state_t
 *
 ******************************************************************************/

static btif_hl_state_t btif_hl_get_state(void) {
  BTIF_TRACE_DEBUG("btif_hl_get_state:  %d   ", p_btif_hl_cb->state);
  return p_btif_hl_cb->state;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_data_type_idx
 *
 * Description  Find the index in the data type table
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_find_data_type_idx(uint16_t data_type, uint8_t* p_idx) {
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTIF_HL_DATA_TABLE_SIZE; i++) {
    if (data_type_table[i].data_type == data_type) {
      found = true;
      *p_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d, data_type=0x%x idx=%d", __func__, found,
                   data_type, i);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_get_max_tx_apdu_size
 *
 * Description  Find the maximum TX APDU size for the specified data type and
 *              MDEP role
 *
 * Returns      uint16_t
 *
 ******************************************************************************/
uint16_t btif_hl_get_max_tx_apdu_size(tBTA_HL_MDEP_ROLE mdep_role,
                                      uint16_t data_type) {
  uint8_t idx;
  uint16_t max_tx_apdu_size = 0;

  if (btif_hl_find_data_type_idx(data_type, &idx)) {
    if (mdep_role == BTA_HL_MDEP_ROLE_SOURCE) {
      max_tx_apdu_size = data_type_table[idx].max_tx_apdu_size;
    } else {
      max_tx_apdu_size = data_type_table[idx].max_rx_apdu_size;
    }
  } else {
    if (mdep_role == BTA_HL_MDEP_ROLE_SOURCE) {
      max_tx_apdu_size = BTIF_HL_DEFAULT_SRC_TX_APDU_SIZE;
    } else {
      max_tx_apdu_size = BTIF_HL_DEFAULT_SRC_RX_APDU_SIZE;
    }
  }

  BTIF_TRACE_DEBUG("%s mdep_role=%d data_type=0x%4x size=%d", __func__,
                   mdep_role, data_type, max_tx_apdu_size);
  return max_tx_apdu_size;
}

/*******************************************************************************
 *
 * Function      btif_hl_get_max_rx_apdu_size
 *
 * Description  Find the maximum RX APDU size for the specified data type and
 *              MDEP role
 *
 * Returns      uint16_t
 *
 ******************************************************************************/
uint16_t btif_hl_get_max_rx_apdu_size(tBTA_HL_MDEP_ROLE mdep_role,
                                      uint16_t data_type) {
  uint8_t idx;
  uint16_t max_rx_apdu_size = 0;

  if (btif_hl_find_data_type_idx(data_type, &idx)) {
    if (mdep_role == BTA_HL_MDEP_ROLE_SOURCE) {
      max_rx_apdu_size = data_type_table[idx].max_rx_apdu_size;
    } else {
      max_rx_apdu_size = data_type_table[idx].max_tx_apdu_size;
    }
  } else {
    if (mdep_role == BTA_HL_MDEP_ROLE_SOURCE) {
      max_rx_apdu_size = BTIF_HL_DEFAULT_SRC_RX_APDU_SIZE;
    } else {
      max_rx_apdu_size = BTIF_HL_DEFAULT_SRC_TX_APDU_SIZE;
    }
  }

  BTIF_TRACE_DEBUG("%s mdep_role=%d data_type=0x%4x size=%d", __func__,
                   mdep_role, data_type, max_rx_apdu_size);

  return max_rx_apdu_size;
}

/*******************************************************************************
 *
 * Function      btif_hl_if_channel_setup_pending
 *
 * Description
 *
 * Returns      bool
 *
 ******************************************************************************/

static bool btif_hl_get_bta_mdep_role(bthl_mdep_role_t mdep,
                                      tBTA_HL_MDEP_ROLE* p) {
  bool status = true;
  switch (mdep) {
    case BTHL_MDEP_ROLE_SOURCE:
      *p = BTA_HL_MDEP_ROLE_SOURCE;
      break;
    case BTHL_MDEP_ROLE_SINK:
      *p = BTA_HL_MDEP_ROLE_SINK;
      break;
    default:
      *p = BTA_HL_MDEP_ROLE_SOURCE;
      status = false;
      break;
  }

  BTIF_TRACE_DEBUG("%s status=%d bta_mdep_role=%d (%d:btif)", __func__, status,
                   *p, mdep);
  return status;
}
/*******************************************************************************
 *
 * Function btif_hl_get_bta_channel_type
 *
 * Description convert bthl channel type to BTA DCH channel type
 *
 * Returns bool
 *
 ******************************************************************************/

static bool btif_hl_get_bta_channel_type(bthl_channel_type_t channel_type,
                                         tBTA_HL_DCH_CFG* p) {
  bool status = true;
  switch (channel_type) {
    case BTHL_CHANNEL_TYPE_RELIABLE:
      *p = BTA_HL_DCH_CFG_RELIABLE;
      break;
    case BTHL_CHANNEL_TYPE_STREAMING:
      *p = BTA_HL_DCH_CFG_STREAMING;
      break;
    case BTHL_CHANNEL_TYPE_ANY:
      *p = BTA_HL_DCH_CFG_NO_PREF;
      break;
    default:
      status = false;
      break;
  }
  BTIF_TRACE_DEBUG("%s status = %d BTA DCH CFG=%d (1-rel 2-strm", __func__,
                   status, *p);
  return status;
}
/*******************************************************************************
 *
 * Function btif_hl_get_next_app_id
 *
 * Description get next applcation id
 *
 * Returns uint8_t
 *
 ******************************************************************************/

static uint8_t btif_hl_get_next_app_id() {
  uint8_t next_app_id = btif_hl_cb.next_app_id;

  btif_hl_cb.next_app_id++;
  return next_app_id;
}
/*******************************************************************************
 *
 * Function btif_hl_get_next_channel_id
 *
 * Description get next channel id
 *
 * Returns int
 *
 ******************************************************************************/
static int btif_hl_get_next_channel_id(uint8_t app_id) {
  uint16_t next_channel_id = btif_hl_cb.next_channel_id;
  int channel_id;
  btif_hl_cb.next_channel_id++;
  channel_id = (app_id << 16) + next_channel_id;
  BTIF_TRACE_DEBUG("%s channel_id=0x%08x, app_id=0x%02x next_channel_id=0x%04x",
                   __func__, channel_id, app_id, next_channel_id);
  return channel_id;
}
/*******************************************************************************
 *
 * Function btif_hl_get_app_id
 *
 * Description get the applicaiton id associated with the channel id
 *
 * Returns uint8_t
 *
 ******************************************************************************/

static uint8_t btif_hl_get_app_id(int channel_id) {
  uint8_t app_id = (uint8_t)(channel_id >> 16);
  BTIF_TRACE_DEBUG("%s channel_id=0x%08x, app_id=0x%02x ", __func__, channel_id,
                   app_id);
  return app_id;
}
/*******************************************************************************
 *
 * Function btif_hl_init_next_app_id
 *
 * Description initialize the application id
 *
 * Returns void
 *
 ******************************************************************************/
static void btif_hl_init_next_app_id(void) { btif_hl_cb.next_app_id = 1; }
/*******************************************************************************
 *
 * Function btif_hl_init_next_channel_id
 *
 * Description initialize the channel id
 *
 * Returns void
 *
 ******************************************************************************/
static void btif_hl_init_next_channel_id(void) {
  btif_hl_cb.next_channel_id = 1;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_app_idx_using_handle
 *
 * Description  Find the applicaiton index using handle
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_app_idx_using_handle(tBTA_HL_APP_HANDLE app_handle,
                                       uint8_t* p_app_idx) {
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (btif_hl_cb.acb[i].in_use &&
        (btif_hl_cb.acb[i].app_handle == app_handle)) {
      found = true;
      *p_app_idx = i;
      break;
    }
  }

  BTIF_TRACE_EVENT("%s status=%d handle=%d app_idx=%d ", __func__, found,
                   app_handle, i);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_app_idx_using_app_id
 *
 * Description  Find the applicaiton index using app_id
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_app_idx_using_app_id(uint8_t app_id, uint8_t* p_app_idx) {
  bool found = false;
  uint8_t i;

  *p_app_idx = 0;
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (btif_hl_cb.acb[i].in_use && (btif_hl_cb.acb[i].app_id == app_id)) {
      found = true;
      *p_app_idx = i;
      break;
    }
  }

  BTIF_TRACE_EVENT("%s found=%d app_id=%d app_idx=%d ", __func__, found, app_id,
                   i);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mcl_idx_using_handle
 *
 * Description  Find the MCL index using handle
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mcl_idx_using_handle(tBTA_HL_MCL_HANDLE mcl_handle,
                                       uint8_t* p_app_idx, uint8_t* p_mcl_idx) {
  btif_hl_app_cb_t* p_acb;
  bool found = false;
  uint8_t i, j;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use)
        BTIF_TRACE_DEBUG(
            "btif_hl_find_mcl_idx_using_handle:app_idx=%d,"
            "mcl_idx =%d mcl_handle=%d",
            i, j, p_acb->mcb[j].mcl_handle);
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        found = true;
        *p_app_idx = i;
        *p_mcl_idx = j;
        break;
      }
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d mcl_idx=%d", __func__, found, i, j);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mdl_idx_using_mdl_id
 *
 * Description  Find the mdl index using mdl_id
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mcl_idx_using_mdl_id(uint8_t mdl_id, uint8_t mcl_handle,
                                       uint8_t* p_app_idx, uint8_t* p_mcl_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  bool found = false;
  uint8_t i, j, x;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        p_mcb = &p_acb->mcb[j];
        BTIF_TRACE_DEBUG(
            "btif_hl_find_mcl_idx_using_mdl_id: mcl handle found j =%d", j);
        for (x = 0; x < BTA_HL_NUM_MDLS_PER_MCL; x++) {
          if (p_mcb->mdl[x].in_use && p_mcb->mdl[x].mdl_id == mdl_id) {
            BTIF_TRACE_DEBUG("btif_hl_find_mcl_idx_using_mdl_id:found x =%d",
                             x);
            found = true;
            *p_app_idx = i;
            *p_mcl_idx = j;
            break;
          }
        }
      }
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d mcl_idx=%d", __func__, found, i, j);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mcl_idx_using_deleted_mdl_id
 *
 * Description  Find the app index deleted_mdl_id
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_app_idx_using_deleted_mdl_id(uint8_t mdl_id,
                                               uint8_t* p_app_idx) {
  btif_hl_app_cb_t* p_acb;
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    if (p_acb->delete_mdl.active) {
      BTIF_TRACE_DEBUG("%s: app_idx=%d, mdl_id=%d", __func__, i, mdl_id);
    }
    if (p_acb->delete_mdl.active && (p_acb->delete_mdl.mdl_id == mdl_id)) {
      found = true;
      *p_app_idx = i;
      break;
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d", __func__, found, i);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_stop_timer_using_handle
 *
 * Description  clean control channel cb using handle
 *
 * Returns      void
 *
 ******************************************************************************/
static void btif_hl_stop_timer_using_handle(tBTA_HL_MCL_HANDLE mcl_handle) {
  btif_hl_app_cb_t* p_acb;
  uint8_t i, j;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        btif_hl_stop_cch_timer(i, j);
      }
    }
  }
}

/*******************************************************************************
 *
 * Function      btif_hl_find_mcl_idx_using_app_idx
 *
 * Description  Find the MCL index using handle
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_mcl_idx_using_app_idx(tBTA_HL_MCL_HANDLE mcl_handle,
                                        uint8_t p_app_idx, uint8_t* p_mcl_idx) {
  btif_hl_app_cb_t* p_acb;
  bool found = false;
  uint8_t j;

  p_acb = BTIF_HL_GET_APP_CB_PTR(p_app_idx);
  for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
    if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
      found = true;
      *p_mcl_idx = j;
      break;
    }
  }
  BTIF_TRACE_DEBUG("%s found=%dmcl_idx=%d", __func__, found, j);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_clean_mdls_using_app_idx
 *
 * Description  clean dch cpntrol bloack using app_idx
 *
 * Returns      void
 *
 ******************************************************************************/
void btif_hl_clean_mdls_using_app_idx(uint8_t app_idx) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_mdl_cb_t* p_dcb;
  uint8_t j, x;
  RawAddress bd_addr;

  p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
    if (p_acb->mcb[j].in_use) {
      p_mcb = &p_acb->mcb[j];
      BTIF_TRACE_DEBUG(
          "btif_hl_find_mcl_idx_using_mdl_id: mcl handle found j =%d", j);
      for (x = 0; x < BTA_HL_NUM_MDLS_PER_MCL; x++) {
        if (p_mcb->mdl[x].in_use) {
          p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, j, x);
          btif_hl_release_socket(app_idx, j, x);
          bd_addr = p_mcb->bd_addr;
          BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, p_acb->app_id,
                             &bd_addr, p_dcb->local_mdep_cfg_idx,
                             p_dcb->channel_id, BTHL_CONN_STATE_DISCONNECTED,
                             0);
          btif_hl_clean_mdl_cb(p_dcb);
          if (!btif_hl_num_dchs_in_use(p_mcb->mcl_handle))
            BTA_HlCchClose(p_mcb->mcl_handle);
          BTIF_TRACE_DEBUG("remote DCH close success mdl_idx=%d", x);
        }
      }
    }
  }
}

/*******************************************************************************
 *
 * Function      btif_hl_find_app_idx
 *
 * Description  Find the application index using application ID
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_app_idx(uint8_t app_id, uint8_t* p_app_idx) {
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (btif_hl_cb.acb[i].in_use && (btif_hl_cb.acb[i].app_id == app_id)) {
      found = true;
      *p_app_idx = i;
      break;
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d", __func__, found, i);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_app_idx
 *
 * Description  Find the application index using application ID
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_app_idx_using_mdepId(uint8_t mdep_id, uint8_t* p_app_idx) {
  bool found = false;
  uint8_t i;

  *p_app_idx = 0;
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    BTIF_TRACE_DEBUG("btif_hl_find_app_idx_using_mdepId: MDEP-ID = %d",
                     btif_hl_cb.acb[i].sup_feature.mdep[0].mdep_id);
    if (btif_hl_cb.acb[i].in_use &&
        (btif_hl_cb.acb[i].sup_feature.mdep[0].mdep_id == mdep_id)) {
      found = true;
      *p_app_idx = i;
      break;
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d", __func__, found, i);

  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_avail_mdl_idx
 *
 * Description  Find a not in-use MDL index
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_avail_mdl_idx(uint8_t app_idx, uint8_t mcl_idx,
                                uint8_t* p_mdl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_MDLS_PER_MCL; i++) {
    if (!p_mcb->mdl[i].in_use) {
      btif_hl_clean_mdl_cb(&p_mcb->mdl[i]);
      found = true;
      *p_mdl_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d idx=%d", __func__, found, i);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_avail_mcl_idx
 *
 * Description  Find a not in-use MDL index
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_find_avail_mcl_idx(uint8_t app_idx, uint8_t* p_mcl_idx) {
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_MCLS; i++) {
    if (!btif_hl_cb.acb[app_idx].mcb[i].in_use) {
      found = true;
      *p_mcl_idx = i;
      break;
    }
  }
  BTIF_TRACE_DEBUG("%s found=%d mcl_idx=%d", __func__, found, i);
  return found;
}

/*******************************************************************************
 *
 * Function      btif_hl_find_avail_app_idx
 *
 * Description  Find a not in-use APP index
 *
 * Returns      bool
 *
 ******************************************************************************/
static bool btif_hl_find_avail_app_idx(uint8_t* p_idx) {
  bool found = false;
  uint8_t i;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (!btif_hl_cb.acb[i].in_use) {
      found = true;
      *p_idx = i;
      break;
    }
  }

  BTIF_TRACE_DEBUG("%s found=%d app_idx=%d", __func__, found, i);
  return found;
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dereg_cfm
 *
 * Description      Process the de-registration confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dereg_cfm(tBTA_HL* p_data)

{
  btif_hl_app_cb_t* p_acb;
  uint8_t app_idx;
  int app_id = 0;
  bthl_app_reg_state_t state = BTHL_APP_REG_STATE_DEREG_SUCCESS;

  BTIF_TRACE_DEBUG("%s de-reg status=%d app_handle=%d", __func__,
                   p_data->dereg_cfm.status, p_data->dereg_cfm.app_handle);

  if (btif_hl_find_app_idx_using_app_id(p_data->dereg_cfm.app_id, &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    app_id = (int)p_acb->app_id;
    if (p_data->dereg_cfm.status == BTA_HL_STATUS_OK) {
      btif_hl_clean_mdls_using_app_idx(app_idx);
      for (size_t i = 0; i < BTA_HL_NUM_MCLS; i++)
        alarm_free(p_acb->mcb[i].cch_timer);
      memset(p_acb, 0, sizeof(btif_hl_app_cb_t));
    } else
      state = BTHL_APP_REG_STATE_DEREG_FAILED;

    BTIF_TRACE_DEBUG("call reg state callback app_id=%d state=%d", app_id,
                     state);
    BTIF_HL_CALL_CBACK(bt_hl_callbacks, app_reg_state_cb, app_id, state);

    if (btif_hl_is_no_active_app()) {
      btif_hl_disable();
    }
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_reg_cfm
 *
 * Description      Process the registration confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_reg_cfm(tBTA_HL* p_data) {
  btif_hl_app_cb_t* p_acb;
  uint8_t app_idx;
  bthl_app_reg_state_t state = BTHL_APP_REG_STATE_REG_SUCCESS;

  BTIF_TRACE_DEBUG("%s reg status=%d app_handle=%d", __func__,
                   p_data->reg_cfm.status, p_data->reg_cfm.app_handle);

  if (btif_hl_find_app_idx(p_data->reg_cfm.app_id, &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    if (p_data->reg_cfm.status == BTA_HL_STATUS_OK) {
      p_acb->app_handle = p_data->reg_cfm.app_handle;
    } else {
      btif_hl_free_app_idx(app_idx);
      state = BTHL_APP_REG_STATE_REG_FAILED;
    }

    BTIF_TRACE_DEBUG("%s call reg state callback app_id=%d reg state=%d",
                     __func__, p_data->reg_cfm.app_id, state);
    BTIF_HL_CALL_CBACK(bt_hl_callbacks, app_reg_state_cb,
                       ((int)p_data->reg_cfm.app_id), state);
  }
}

/*******************************************************************************
 *
 * Function btif_hl_set_chan_cb_state
 *
 * Description set the channel callback state
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_set_chan_cb_state(uint8_t app_idx, uint8_t mcl_idx,
                               btif_hl_chan_cb_state_t state) {
  btif_hl_pending_chan_cb_t* p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
  btif_hl_chan_cb_state_t cur_state = p_pcb->cb_state;

  if (cur_state != state) {
    p_pcb->cb_state = state;
    BTIF_TRACE_DEBUG("%s state %d--->%d", __func__, cur_state, state);
  }
}
/*******************************************************************************
 *
 * Function btif_hl_send_destroyed_cb
 *
 * Description send the channel destroyed callback
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_send_destroyed_cb(btif_hl_app_cb_t* p_acb) {
  int app_id = (int)btif_hl_get_app_id(p_acb->delete_mdl.channel_id);

  RawAddress bd_addr = p_acb->delete_mdl.bd_addr;
  BTIF_TRACE_DEBUG("%s", __func__);
  BTIF_TRACE_DEBUG(
      "call channel state callback channel_id=0x%08x mdep_cfg_idx=%d, state=%d "
      "fd=%d",
      p_acb->delete_mdl.channel_id, p_acb->delete_mdl.mdep_cfg_idx,
      BTHL_CONN_STATE_DESTROYED, 0);
  VLOG(1) << "BD " << bd_addr;

  BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                     p_acb->delete_mdl.mdep_cfg_idx,
                     p_acb->delete_mdl.channel_id, BTHL_CONN_STATE_DESTROYED,
                     0);
}
/*******************************************************************************
 *
 * Function btif_hl_send_disconnecting_cb
 *
 * Description send a channel disconnecting callback
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_send_disconnecting_cb(uint8_t app_idx, uint8_t mcl_idx,
                                   uint8_t mdl_idx) {
  btif_hl_mdl_cb_t* p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
  btif_hl_soc_cb_t* p_scb = p_dcb->p_scb;
  int app_id = (int)btif_hl_get_app_id(p_scb->channel_id);

  RawAddress bd_addr = p_scb->bd_addr;

  BTIF_TRACE_DEBUG("%s", __func__);
  BTIF_TRACE_DEBUG(
      "call channel state callback  channel_id=0x%08x mdep_cfg_idx=%d, "
      "state=%d fd=%d",
      p_scb->channel_id, p_scb->mdep_cfg_idx, BTHL_CONN_STATE_DISCONNECTING,
      p_scb->socket_id[0]);
  VLOG(1) << "BD " << bd_addr;
  BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                     p_scb->mdep_cfg_idx, p_scb->channel_id,
                     BTHL_CONN_STATE_DISCONNECTING, p_scb->socket_id[0]);
}
/*******************************************************************************
 *
 * Function btif_hl_send_setup_connecting_cb
 *
 * Description send a channel connecting callback
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_send_setup_connecting_cb(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_pending_chan_cb_t* p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
  int app_id = (int)btif_hl_get_app_id(p_pcb->channel_id);

  RawAddress bd_addr = p_pcb->bd_addr;

  if (p_pcb->in_use &&
      p_pcb->cb_state == BTIF_HL_CHAN_CB_STATE_CONNECTING_PENDING) {
    BTIF_TRACE_DEBUG("%s", __func__);
    BTIF_TRACE_DEBUG(
        "call channel state callback  channel_id=0x%08x mdep_cfg_idx=%d "
        "state=%d fd=%d",
        p_pcb->channel_id, p_pcb->mdep_cfg_idx, BTHL_CONN_STATE_CONNECTING, 0);
    VLOG(1) << "BD " << bd_addr;

    BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                       p_pcb->mdep_cfg_idx, p_pcb->channel_id,
                       BTHL_CONN_STATE_CONNECTING, 0);
    btif_hl_set_chan_cb_state(app_idx, mcl_idx,
                              BTIF_HL_CHAN_CB_STATE_CONNECTED_PENDING);
  }
}
/*******************************************************************************
 *
 * Function btif_hl_send_setup_disconnected_cb
 *
 * Description send a channel disconnected callback
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_send_setup_disconnected_cb(uint8_t app_idx, uint8_t mcl_idx) {
  btif_hl_pending_chan_cb_t* p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
  int app_id = (int)btif_hl_get_app_id(p_pcb->channel_id);

  RawAddress bd_addr = p_pcb->bd_addr;

  BTIF_TRACE_DEBUG("%s p_pcb->in_use=%d", __func__, p_pcb->in_use);
  if (p_pcb->in_use) {
    BTIF_TRACE_DEBUG("%p_pcb->cb_state=%d", p_pcb->cb_state);
    if (p_pcb->cb_state == BTIF_HL_CHAN_CB_STATE_CONNECTING_PENDING) {
      BTIF_TRACE_DEBUG(
          "call channel state callback  channel_id=0x%08x mdep_cfg_idx=%d "
          "state=%d fd=%d",
          p_pcb->channel_id, p_pcb->mdep_cfg_idx, BTHL_CONN_STATE_CONNECTING,
          0);
      VLOG(1) << "BD " << bd_addr;
      BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                         p_pcb->mdep_cfg_idx, p_pcb->channel_id,
                         BTHL_CONN_STATE_CONNECTING, 0);

      BTIF_TRACE_DEBUG(
          "call channel state callback  channel_id=0x%08x mdep_cfg_idx=%d "
          "state=%d fd=%d",
          p_pcb->channel_id, p_pcb->mdep_cfg_idx, BTHL_CONN_STATE_DISCONNECTED,
          0);
      VLOG(1) << "BD " << bd_addr;
      BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                         p_pcb->mdep_cfg_idx, p_pcb->channel_id,
                         BTHL_CONN_STATE_DISCONNECTED, 0);
    } else if (p_pcb->cb_state == BTIF_HL_CHAN_CB_STATE_CONNECTED_PENDING) {
      BTIF_TRACE_DEBUG(
          "call channel state callback  channel_id=0x%08x mdep_cfg_idx=%d "
          "state=%d fd=%d",
          p_pcb->channel_id, p_pcb->mdep_cfg_idx, BTHL_CONN_STATE_DISCONNECTED,
          0);
      VLOG(1) << "BD " << bd_addr;
      BTIF_HL_CALL_CBACK(bt_hl_callbacks, channel_state_cb, app_id, &bd_addr,
                         p_pcb->mdep_cfg_idx, p_pcb->channel_id,
                         BTHL_CONN_STATE_DISCONNECTED, 0);
    }
    btif_hl_clean_pcb(p_pcb);
  }
}
/*******************************************************************************
 *
 * Function         btif_hl_proc_sdp_query_cfm
 *
 * Description      Process the SDP query confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static bool btif_hl_proc_sdp_query_cfm(tBTA_HL* p_data) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  tBTA_HL_SDP* p_sdp;
  tBTA_HL_CCH_OPEN_PARAM open_param;
  uint8_t app_idx, mcl_idx, sdp_idx = 0;
  uint8_t num_recs, i, num_mdeps, j;
  btif_hl_cch_op_t old_cch_oper;
  bool status = false;
  btif_hl_pending_chan_cb_t* p_pcb;

  BTIF_TRACE_DEBUG("%s", __func__);

  p_sdp = p_data->sdp_query_cfm.p_sdp;
  num_recs = p_sdp->num_recs;

  BTIF_TRACE_DEBUG("num of SDP records=%d", num_recs);
  for (i = 0; i < num_recs; i++) {
    BTIF_TRACE_DEBUG("rec_idx=%d ctrl_psm=0x%x data_psm=0x%x", (i + 1),
                     p_sdp->sdp_rec[i].ctrl_psm, p_sdp->sdp_rec[i].data_psm);
    BTIF_TRACE_DEBUG("MCAP supported procedures=0x%x",
                     p_sdp->sdp_rec[i].mcap_sup_proc);
    num_mdeps = p_sdp->sdp_rec[i].num_mdeps;
    BTIF_TRACE_DEBUG("num of mdeps =%d", num_mdeps);
    for (j = 0; j < num_mdeps; j++) {
      BTIF_TRACE_DEBUG("mdep_idx=%d mdep_id=0x%x data_type=0x%x mdep_role=0x%x",
                       (j + 1), p_sdp->sdp_rec[i].mdep_cfg[j].mdep_id,
                       p_sdp->sdp_rec[i].mdep_cfg[j].data_type,
                       p_sdp->sdp_rec[i].mdep_cfg[j].mdep_role);
    }
  }

  if (btif_hl_find_app_idx_using_app_id(p_data->sdp_query_cfm.app_id,
                                        &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);

    if (btif_hl_find_mcl_idx(app_idx, p_data->sdp_query_cfm.bd_addr,
                             &mcl_idx)) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
      if (p_mcb->cch_oper != BTIF_HL_CCH_OP_NONE) {
        memcpy(&p_mcb->sdp, p_sdp, sizeof(tBTA_HL_SDP));
        old_cch_oper = p_mcb->cch_oper;
        p_mcb->cch_oper = BTIF_HL_CCH_OP_NONE;

        switch (old_cch_oper) {
          case BTIF_HL_CCH_OP_MDEP_FILTERING:
            status = btif_hl_find_sdp_idx_using_mdep_filter(app_idx, mcl_idx,
                                                            &sdp_idx);
            break;
          default:
            break;
        }

        if (status) {
          p_mcb->sdp_idx = sdp_idx;
          p_mcb->valid_sdp_idx = true;
          p_mcb->ctrl_psm = p_mcb->sdp.sdp_rec[sdp_idx].ctrl_psm;

          switch (old_cch_oper) {
            case BTIF_HL_CCH_OP_MDEP_FILTERING:
              p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
              if (p_pcb->in_use) {
                if (!p_pcb->abort_pending) {
                  switch (p_pcb->op) {
                    case BTIF_HL_PEND_DCH_OP_OPEN:
                      btif_hl_send_setup_connecting_cb(app_idx, mcl_idx);
                      break;
                    case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
                    default:
                      break;
                  }
                  open_param.ctrl_psm = p_mcb->ctrl_psm;
                  open_param.bd_addr = p_mcb->bd_addr;
                  open_param.sec_mask =
                      (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT);
                  BTA_HlCchOpen(p_acb->app_id, p_acb->app_handle, &open_param);
                } else {
                  BTIF_TRACE_DEBUG("channel abort pending");
                }
              }
              break;

            case BTIF_HL_CCH_OP_DCH_OPEN:
              status = btif_hl_proc_pending_op(app_idx, mcl_idx);
              break;

            default:
              BTIF_TRACE_ERROR("Invalid CCH oper %d", old_cch_oper);
              break;
          }
        } else {
          BTIF_TRACE_ERROR("Can not find SDP idx discard CCH Open request");
        }
      }
    }
  }
  return status;
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_cch_open_ind
 *
 * Description      Process the CCH open indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_cch_open_ind(tBTA_HL* p_data)

{
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t mcl_idx;
  int i;

  BTIF_TRACE_DEBUG("%s", __func__);
  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    if (btif_hl_cb.acb[i].in_use) {
      if (!btif_hl_find_mcl_idx(i, p_data->cch_open_ind.bd_addr, &mcl_idx)) {
        if (btif_hl_find_avail_mcl_idx(i, &mcl_idx)) {
          p_mcb = BTIF_HL_GET_MCL_CB_PTR(i, mcl_idx);
          alarm_free(p_mcb->cch_timer);
          memset(p_mcb, 0, sizeof(btif_hl_mcl_cb_t));
          p_mcb->in_use = true;
          p_mcb->is_connected = true;
          p_mcb->mcl_handle = p_data->cch_open_ind.mcl_handle;
          p_mcb->bd_addr = p_data->cch_open_ind.bd_addr;
          btif_hl_start_cch_timer(i, mcl_idx);
        }
      } else {
        BTIF_TRACE_ERROR("The MCL already exist for cch_open_ind");
      }
    }
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_pending_op
 *
 * Description      Process the pending dch operation.
 *
 * Returns          Nothing
 *
 ******************************************************************************/
bool btif_hl_proc_pending_op(uint8_t app_idx, uint8_t mcl_idx)

{
  btif_hl_app_cb_t* p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  btif_hl_pending_chan_cb_t* p_pcb;
  bool status = false;
  tBTA_HL_DCH_OPEN_PARAM dch_open;
  tBTA_HL_MDL_ID mdl_id;
  tBTA_HL_DCH_RECONNECT_PARAM reconnect_param;

  p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
  if (p_pcb->in_use) {
    switch (p_pcb->op) {
      case BTIF_HL_PEND_DCH_OP_OPEN:
        if (!p_pcb->abort_pending) {
          BTIF_TRACE_DEBUG("op BTIF_HL_PEND_DCH_OP_OPEN");
          dch_open.ctrl_psm = p_mcb->ctrl_psm;
          dch_open.local_mdep_id =
              p_acb->sup_feature.mdep[p_pcb->mdep_cfg_idx].mdep_id;
          if (btif_hl_find_peer_mdep_id(
                  p_acb->app_id, p_mcb->bd_addr,
                  p_acb->sup_feature.mdep[p_pcb->mdep_cfg_idx]
                      .mdep_cfg.mdep_role,
                  p_acb->sup_feature.mdep[p_pcb->mdep_cfg_idx]
                      .mdep_cfg.data_cfg[0]
                      .data_type,
                  &dch_open.peer_mdep_id)) {
            dch_open.local_cfg = p_acb->channel_type[p_pcb->mdep_cfg_idx];
            if ((p_acb->sup_feature.mdep[p_pcb->mdep_cfg_idx]
                     .mdep_cfg.mdep_role == BTA_HL_MDEP_ROLE_SOURCE) &&
                !btif_hl_is_the_first_reliable_existed(app_idx, mcl_idx)) {
              dch_open.local_cfg = BTA_HL_DCH_CFG_RELIABLE;
            }
            dch_open.sec_mask = (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT);
            BTIF_TRACE_DEBUG("dch_open.local_cfg=%d  ", dch_open.local_cfg);
            btif_hl_send_setup_connecting_cb(app_idx, mcl_idx);

            if (!btif_hl_is_reconnect_possible(app_idx, mcl_idx,
                                               p_pcb->mdep_cfg_idx, &dch_open,
                                               &mdl_id)) {
              BTIF_TRACE_DEBUG("Issue DCH open, mcl_handle=%d",
                               p_mcb->mcl_handle);
              BTA_HlDchOpen(p_mcb->mcl_handle, &dch_open);
            } else {
              reconnect_param.ctrl_psm = p_mcb->ctrl_psm;
              reconnect_param.mdl_id = mdl_id;
              ;
              BTIF_TRACE_DEBUG("Issue Reconnect ctrl_psm=0x%x mdl_id=0x%x",
                               reconnect_param.ctrl_psm,
                               reconnect_param.mdl_id);
              BTA_HlDchReconnect(p_mcb->mcl_handle, &reconnect_param);
            }
            status = true;
          }
        } else {
          btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
          status = true;
        }
        break;
      case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
        BTA_HlDeleteMdl(p_mcb->mcl_handle, p_acb->delete_mdl.mdl_id);
        status = true;
        break;

      default:
        break;
    }
  }
  return status;
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_cch_open_cfm
 *
 * Description      Process the CCH open confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static bool btif_hl_proc_cch_open_cfm(tBTA_HL* p_data)

{
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t app_idx, mcl_idx;
  bool status = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  if (btif_hl_find_app_idx_using_app_id(p_data->cch_open_cfm.app_id,
                                        &app_idx)) {
    BTIF_TRACE_DEBUG("app_idx=%d", app_idx);
    if (btif_hl_find_mcl_idx(app_idx, p_data->cch_open_cfm.bd_addr, &mcl_idx)) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
      BTIF_TRACE_DEBUG("mcl_idx=%d, mcl_handle=%d", mcl_idx,
                       p_data->cch_open_cfm.mcl_handle);
      p_mcb->mcl_handle = p_data->cch_open_cfm.mcl_handle;
      p_mcb->is_connected = true;
      status = btif_hl_proc_pending_op(app_idx, mcl_idx);
      if (status) btif_hl_start_cch_timer(app_idx, mcl_idx);
    }
  }

  return status;
}

/*******************************************************************************
 *
 * Function      btif_hl_clean_mcb_using_handle
 *
 * Description  clean control channel cb using handle
 *
 * Returns      void
 *
 ******************************************************************************/
static void btif_hl_clean_mcb_using_handle(tBTA_HL_MCL_HANDLE mcl_handle) {
  btif_hl_app_cb_t* p_acb;
  uint8_t i, j;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use)
        BTIF_TRACE_DEBUG(
            "btif_hl_find_mcl_idx_using_handle: app_idx=%d,"
            "mcl_idx =%d mcl_handle=%d",
            i, j, p_acb->mcb[j].mcl_handle);
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        btif_hl_stop_cch_timer(i, j);
        btif_hl_release_mcl_sockets(i, j);
        btif_hl_send_setup_disconnected_cb(i, j);
        btif_hl_clean_mcl_cb(i, j);
      }
    }
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_cch_close_ind
 *
 * Description      Process the CCH close indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_cch_close_ind(tBTA_HL* p_data)

{
  BTIF_TRACE_DEBUG("%s", __func__);

  btif_hl_clean_mcb_using_handle(p_data->cch_close_ind.mcl_handle);
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_cch_close_cfm
 *
 * Description      Process the CCH close confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_cch_close_cfm(tBTA_HL* p_data) {
  BTIF_TRACE_DEBUG("%s", __func__);

  btif_hl_clean_mcb_using_handle(p_data->cch_close_ind.mcl_handle);
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_create_ind
 *
 * Description      Process the MDL create indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_create_ind(tBTA_HL* p_data) {
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  tBTA_HL_MDEP* p_mdep;
  uint8_t orig_app_idx, mcl_idx, mdep_cfg_idx;
  bool first_reliable_exist;
  bool success = true;
  tBTA_HL_DCH_CFG rsp_cfg = BTA_HL_DCH_CFG_UNKNOWN;
  tBTA_HL_DCH_CREATE_RSP rsp_code = BTA_HL_DCH_CREATE_RSP_CFG_REJ;
  tBTA_HL_DCH_CREATE_RSP_PARAM create_rsp_param;

  BTIF_TRACE_DEBUG("%s", __func__);

  // Find the correct app_idx based on the mdep_id;
  btif_hl_find_app_idx_using_mdepId(p_data->dch_create_ind.local_mdep_id,
                                    &orig_app_idx);
  if (btif_hl_find_mcl_idx(orig_app_idx, p_data->dch_create_ind.bd_addr,
                           &mcl_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(orig_app_idx);
    p_mcb = BTIF_HL_GET_MCL_CB_PTR(orig_app_idx, mcl_idx);

    if (btif_hl_find_mdep_cfg_idx(orig_app_idx,
                                  p_data->dch_create_ind.local_mdep_id,
                                  &mdep_cfg_idx)) {
      p_mdep = &(p_acb->sup_feature.mdep[mdep_cfg_idx]);
      first_reliable_exist =
          btif_hl_is_the_first_reliable_existed(orig_app_idx, mcl_idx);
      switch (p_mdep->mdep_cfg.mdep_role) {
        case BTA_HL_MDEP_ROLE_SOURCE:
          if (p_data->dch_create_ind.cfg == BTA_HL_DCH_CFG_NO_PREF) {
            if (first_reliable_exist) {
              rsp_cfg = p_acb->channel_type[mdep_cfg_idx];
            } else {
              rsp_cfg = BTA_HL_DCH_CFG_RELIABLE;
            }
            rsp_code = BTA_HL_DCH_CREATE_RSP_SUCCESS;
          }

          break;
        case BTA_HL_MDEP_ROLE_SINK:

          BTIF_TRACE_DEBUG("btif_hl_proc_create_ind:BTA_HL_MDEP_ROLE_SINK");
          if ((p_data->dch_create_ind.cfg == BTA_HL_DCH_CFG_RELIABLE) ||
              (first_reliable_exist &&
               (p_data->dch_create_ind.cfg == BTA_HL_DCH_CFG_STREAMING))) {
            rsp_code = BTA_HL_DCH_CREATE_RSP_SUCCESS;
            rsp_cfg = p_data->dch_create_ind.cfg;
            BTIF_TRACE_DEBUG(
                "btif_hl_proc_create_ind:BTA_HL_MDEP_ROLE_SINK cfg = %d",
                rsp_cfg);
          }
          break;
        default:
          break;
      }
    }
  } else {
    success = false;
  }

  if (success) {
    BTIF_TRACE_DEBUG("create response rsp_code=%d rsp_cfg=%d", rsp_code,
                     rsp_cfg);
    create_rsp_param.local_mdep_id = p_data->dch_create_ind.local_mdep_id;
    create_rsp_param.mdl_id = p_data->dch_create_ind.mdl_id;
    create_rsp_param.rsp_code = rsp_code;
    create_rsp_param.cfg_rsp = rsp_cfg;
    BTA_HlDchCreateRsp(p_mcb->mcl_handle, &create_rsp_param);
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_open_ind
 *
 * Description      Process the DCH open indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dch_open_ind(tBTA_HL* p_data)

{
  btif_hl_mdl_cb_t* p_dcb;
  uint8_t orig_app_idx, mcl_idx, mdl_idx, mdep_cfg_idx;
  bool close_dch = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  // Find the correct app_idx based on the mdep_id;
  btif_hl_find_app_idx_using_mdepId(p_data->dch_open_ind.local_mdep_id,
                                    &orig_app_idx);

  if (btif_hl_find_mcl_idx_using_app_idx(p_data->dch_open_ind.mcl_handle,
                                         orig_app_idx, &mcl_idx)) {
    if (btif_hl_find_avail_mdl_idx(orig_app_idx, mcl_idx, &mdl_idx)) {
      p_dcb = BTIF_HL_GET_MDL_CB_PTR(orig_app_idx, mcl_idx, mdl_idx);

      if (btif_hl_find_mdep_cfg_idx(orig_app_idx,
                                    p_data->dch_open_ind.local_mdep_id,
                                    &mdep_cfg_idx)) {
        p_dcb->in_use = true;
        p_dcb->mdl_handle = p_data->dch_open_ind.mdl_handle;
        p_dcb->local_mdep_cfg_idx = mdep_cfg_idx;
        p_dcb->local_mdep_id = p_data->dch_open_ind.local_mdep_id;
        p_dcb->mdl_id = p_data->dch_open_ind.mdl_id;
        p_dcb->dch_mode = p_data->dch_open_ind.dch_mode;
        p_dcb->dch_mode = p_data->dch_open_ind.dch_mode;
        p_dcb->is_the_first_reliable = p_data->dch_open_ind.first_reliable;
        p_dcb->mtu = p_data->dch_open_ind.mtu;

        if (btif_hl_find_channel_id_using_mdl_id(orig_app_idx, p_dcb->mdl_id,
                                                 &p_dcb->channel_id)) {
          BTIF_TRACE_DEBUG(" app_idx=%d mcl_idx=%d mdl_idx=%d channel_id=%d",
                           orig_app_idx, mcl_idx, mdl_idx, p_dcb->channel_id);
          if (!btif_hl_create_socket(orig_app_idx, mcl_idx, mdl_idx)) {
            BTIF_TRACE_ERROR("Unable to create socket");
            close_dch = true;
          }
        } else {
          BTIF_TRACE_ERROR("Unable find channel id for mdl_id=0x%x",
                           p_dcb->mdl_id);
          close_dch = true;
        }
      } else {
        BTIF_TRACE_ERROR("INVALID_LOCAL_MDEP_ID mdep_id=%d",
                         p_data->dch_open_cfm.local_mdep_id);
        close_dch = true;
      }

      if (close_dch) btif_hl_clean_mdl_cb(p_dcb);
    } else
      close_dch = true;
  } else
    close_dch = true;

  if (close_dch) BTA_HlDchClose(p_data->dch_open_cfm.mdl_handle);
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_open_cfm
 *
 * Description      Process the DCH close confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static bool btif_hl_proc_dch_open_cfm(tBTA_HL* p_data)

{
  btif_hl_mdl_cb_t* p_dcb;
  btif_hl_pending_chan_cb_t* p_pcb;
  uint8_t app_idx, mcl_idx, mdl_idx, mdep_cfg_idx;
  bool status = false;
  bool close_dch = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  // Find the correct app_idx based on the mdep_id;
  btif_hl_find_app_idx_using_mdepId(p_data->dch_open_cfm.local_mdep_id,
                                    &app_idx);

  if (btif_hl_find_mcl_idx_using_app_idx(p_data->dch_open_cfm.mcl_handle,
                                         app_idx, &mcl_idx)) {
    p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);

    if (btif_hl_find_avail_mdl_idx(app_idx, mcl_idx, &mdl_idx)) {
      p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);

      if (btif_hl_find_mdep_cfg_idx(app_idx, p_data->dch_open_cfm.local_mdep_id,
                                    &mdep_cfg_idx)) {
        p_dcb->in_use = true;
        p_dcb->mdl_handle = p_data->dch_open_cfm.mdl_handle;
        p_dcb->local_mdep_cfg_idx = mdep_cfg_idx;
        p_dcb->local_mdep_id = p_data->dch_open_cfm.local_mdep_id;
        p_dcb->mdl_id = p_data->dch_open_cfm.mdl_id;
        p_dcb->dch_mode = p_data->dch_open_cfm.dch_mode;
        p_dcb->is_the_first_reliable = p_data->dch_open_cfm.first_reliable;
        p_dcb->mtu = p_data->dch_open_cfm.mtu;
        p_dcb->channel_id = p_pcb->channel_id;

        BTIF_TRACE_DEBUG("app_idx=%d mcl_idx=%d mdl_idx=%d", app_idx, mcl_idx,
                         mdl_idx);
        btif_hl_send_setup_connecting_cb(app_idx, mcl_idx);
        if (btif_hl_create_socket(app_idx, mcl_idx, mdl_idx)) {
          status = true;
          BTIF_TRACE_DEBUG(
              "app_idx=%d mcl_idx=%d mdl_idx=%d p_dcb->channel_id=0x%08x",
              app_idx, mcl_idx, mdl_idx, p_dcb->channel_id);
          btif_hl_clean_pcb(p_pcb);
        } else {
          BTIF_TRACE_ERROR("Unable to create socket");
          close_dch = true;
        }
      } else {
        BTIF_TRACE_ERROR("INVALID_LOCAL_MDEP_ID mdep_id=%d",
                         p_data->dch_open_cfm.local_mdep_id);
        close_dch = true;
      }

      if (close_dch) {
        btif_hl_clean_mdl_cb(p_dcb);
        BTA_HlDchClose(p_data->dch_open_cfm.mdl_handle);
      }
    }
  }

  return status;
}
/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_reconnect_cfm
 *
 * Description      Process the DCH reconnect indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static bool btif_hl_proc_dch_reconnect_cfm(tBTA_HL* p_data) {
  btif_hl_mdl_cb_t* p_dcb;
  btif_hl_pending_chan_cb_t* p_pcb;
  uint8_t app_idx, mcl_idx, mdl_idx, mdep_cfg_idx;
  bool status = false;
  bool close_dch = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  btif_hl_find_app_idx_using_mdepId(p_data->dch_reconnect_cfm.local_mdep_id,
                                    &app_idx);

  if (btif_hl_find_mcl_idx_using_app_idx(p_data->dch_reconnect_cfm.mcl_handle,
                                         app_idx, &mcl_idx)) {
    p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);

    if (btif_hl_find_avail_mdl_idx(app_idx, mcl_idx, &mdl_idx)) {
      p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);

      if (btif_hl_find_mdep_cfg_idx(app_idx,
                                    p_data->dch_reconnect_cfm.local_mdep_id,
                                    &mdep_cfg_idx)) {
        p_dcb->in_use = true;
        p_dcb->mdl_handle = p_data->dch_reconnect_cfm.mdl_handle;
        p_dcb->local_mdep_cfg_idx = mdep_cfg_idx;
        p_dcb->local_mdep_id = p_data->dch_reconnect_cfm.local_mdep_id;
        p_dcb->mdl_id = p_data->dch_reconnect_cfm.mdl_id;
        p_dcb->dch_mode = p_data->dch_reconnect_cfm.dch_mode;
        p_dcb->is_the_first_reliable = p_data->dch_reconnect_cfm.first_reliable;
        p_dcb->mtu = p_data->dch_reconnect_cfm.mtu;
        p_dcb->channel_id = p_pcb->channel_id;

        BTIF_TRACE_DEBUG("app_idx=%d mcl_idx=%d mdl_idx=%d", app_idx, mcl_idx,
                         mdl_idx);
        btif_hl_send_setup_connecting_cb(app_idx, mcl_idx);
        if (btif_hl_create_socket(app_idx, mcl_idx, mdl_idx)) {
          status = true;
          BTIF_TRACE_DEBUG(
              "app_idx=%d mcl_idx=%d mdl_idx=%d p_dcb->channel_id=0x%08x",
              app_idx, mcl_idx, mdl_idx, p_dcb->channel_id);
          btif_hl_clean_pcb(p_pcb);
        } else {
          BTIF_TRACE_ERROR("Unable to create socket");
          close_dch = true;
        }
      } else {
        BTIF_TRACE_ERROR("INVALID_LOCAL_MDEP_ID mdep_id=%d",
                         p_data->dch_open_cfm.local_mdep_id);
        close_dch = true;
      }

      if (close_dch) {
        btif_hl_clean_mdl_cb(p_dcb);
        BTA_HlDchClose(p_data->dch_reconnect_cfm.mdl_handle);
      }
    }
  }

  return status;
}
/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_reconnect_ind
 *
 * Description      Process the DCH reconnect indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dch_reconnect_ind(tBTA_HL* p_data)

{
  btif_hl_app_cb_t* p_acb;
  btif_hl_mdl_cb_t* p_dcb;
  uint8_t app_idx, mcl_idx, mdl_idx, mdep_cfg_idx;
  bool close_dch = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  // Find the correct app_idx based on the mdep_id;
  btif_hl_find_app_idx_using_mdepId(p_data->dch_reconnect_ind.local_mdep_id,
                                    &app_idx);

  if (btif_hl_find_mcl_idx_using_app_idx(p_data->dch_reconnect_ind.mcl_handle,
                                         app_idx, &mcl_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    BTIF_TRACE_DEBUG(
        "btif_hl_proc_dch_reconnect_ind: app_idx = %d, mcl_idx = %d", app_idx,
        mcl_idx);

    if (btif_hl_find_avail_mdl_idx(app_idx, mcl_idx, &mdl_idx)) {
      p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);

      if (btif_hl_find_mdep_cfg_idx(app_idx,
                                    p_data->dch_reconnect_ind.local_mdep_id,
                                    &mdep_cfg_idx)) {
        p_dcb->in_use = true;
        p_dcb->mdl_handle = p_data->dch_reconnect_ind.mdl_handle;
        p_dcb->local_mdep_cfg_idx = mdep_cfg_idx;
        p_dcb->local_mdep_id = p_data->dch_reconnect_ind.local_mdep_id;
        p_dcb->mdl_id = p_data->dch_reconnect_ind.mdl_id;
        p_dcb->dch_mode = p_data->dch_reconnect_ind.dch_mode;
        p_dcb->dch_mode = p_data->dch_reconnect_ind.dch_mode;
        p_dcb->is_the_first_reliable = p_data->dch_reconnect_ind.first_reliable;
        p_dcb->mtu = p_data->dch_reconnect_ind.mtu;
        p_dcb->channel_id = btif_hl_get_next_channel_id(p_acb->app_id);

        BTIF_TRACE_DEBUG(" app_idx=%d mcl_idx=%d mdl_idx=%d channel_id=%d",
                         app_idx, mcl_idx, mdl_idx, p_dcb->channel_id);
        if (!btif_hl_create_socket(app_idx, mcl_idx, mdl_idx)) {
          BTIF_TRACE_ERROR("Unable to create socket");
          close_dch = true;
        }
      } else {
        BTIF_TRACE_ERROR("INVALID_LOCAL_MDEP_ID mdep_id=%d",
                         p_data->dch_open_cfm.local_mdep_id);
        close_dch = true;
      }

      if (close_dch) btif_hl_clean_mdl_cb(p_dcb);
    } else
      close_dch = true;
  } else
    close_dch = true;

  if (close_dch) BTA_HlDchClose(p_data->dch_reconnect_ind.mdl_handle);
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_close_ind
 *
 * Description      Process the DCH close indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dch_close_ind(tBTA_HL* p_data)

{
  btif_hl_mdl_cb_t* p_dcb;
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t app_idx, mcl_idx, mdl_idx;

  BTIF_TRACE_DEBUG("%s", __func__);
  if (btif_hl_find_mdl_idx_using_handle(p_data->dch_close_ind.mdl_handle,
                                        &app_idx, &mcl_idx, &mdl_idx)) {
    p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
    btif_hl_release_socket(app_idx, mcl_idx, mdl_idx);
    btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
    p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
    btif_hl_clean_mdl_cb(p_dcb);
    if (!btif_hl_num_dchs_in_use(p_mcb->mcl_handle))
      btif_hl_start_cch_timer(app_idx, mcl_idx);
    BTIF_TRACE_DEBUG("remote DCH close success mdl_idx=%d", mdl_idx);
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_close_cfm
 *
 * Description      Process the DCH reconnect confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dch_close_cfm(tBTA_HL* p_data)

{
  btif_hl_mdl_cb_t* p_dcb;
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t app_idx, mcl_idx, mdl_idx;

  BTIF_TRACE_DEBUG("%s", __func__);
  if (btif_hl_find_mdl_idx_using_handle(p_data->dch_close_cfm.mdl_handle,
                                        &app_idx, &mcl_idx, &mdl_idx)) {
    p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
    btif_hl_release_socket(app_idx, mcl_idx, mdl_idx);
    btif_hl_clean_mdl_cb(p_dcb);
    p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
    if (!btif_hl_num_dchs_in_use(p_mcb->mcl_handle))
      btif_hl_start_cch_timer(app_idx, mcl_idx);
    BTIF_TRACE_DEBUG(" local DCH close success mdl_idx=%d", mdl_idx);
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_abort_ind
 *
 * Description      Process the abort indicaiton
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_abort_ind(tBTA_HL_MCL_HANDLE mcl_handle) {
  BTIF_TRACE_DEBUG("%s", __func__);
  btif_hl_app_cb_t* p_acb;
  uint8_t i, j;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use)
        BTIF_TRACE_DEBUG(
            "btif_hl_find_mcl_idx_using_handle: app_idx=%d,mcl_idx =%d "
            "mcl_handle=%d",
            i, j, p_acb->mcb[j].mcl_handle);
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        btif_hl_stop_cch_timer(i, j);
        btif_hl_send_setup_disconnected_cb(i, j);
        btif_hl_clean_mcl_cb(i, j);
      }
    }
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_abort_cfm
 *
 * Description      Process the abort confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_abort_cfm(tBTA_HL_MCL_HANDLE mcl_handle) {
  BTIF_TRACE_DEBUG("%s", __func__);
  btif_hl_app_cb_t* p_acb;
  uint8_t i, j;

  for (i = 0; i < BTA_HL_NUM_APPS; i++) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(i);
    for (j = 0; j < BTA_HL_NUM_MCLS; j++) {
      if (p_acb->mcb[j].in_use)
        BTIF_TRACE_DEBUG(
            "btif_hl_find_mcl_idx_using_handle: app_idx=%d,mcl_idx =%d "
            "mcl_handle=%d",
            i, j, p_acb->mcb[j].mcl_handle);
      if (p_acb->mcb[j].in_use && (p_acb->mcb[j].mcl_handle == mcl_handle)) {
        btif_hl_stop_cch_timer(i, j);
        btif_hl_send_setup_disconnected_cb(i, j);
        btif_hl_clean_mcl_cb(i, j);
      }
    }
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_send_data_cfm
 *
 * Description      Process the send data confirmation
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_send_data_cfm(tBTA_HL_MDL_HANDLE mdl_handle,
                                       UNUSED_ATTR tBTA_HL_STATUS status) {
  uint8_t app_idx, mcl_idx, mdl_idx;
  btif_hl_mdl_cb_t* p_dcb;

  BTIF_TRACE_DEBUG("%s", __func__);
  if (btif_hl_find_mdl_idx_using_handle(mdl_handle, &app_idx, &mcl_idx,
                                        &mdl_idx)) {
    p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
    osi_free_and_reset((void**)&p_dcb->p_tx_pkt);
    BTIF_TRACE_DEBUG("send success free p_tx_pkt tx_size=%d", p_dcb->tx_size);
    p_dcb->tx_size = 0;
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_dch_cong_ind
 *
 * Description      Process the DCH congestion change indication
 *
 * Returns          Nothing
 *
 ******************************************************************************/
static void btif_hl_proc_dch_cong_ind(tBTA_HL* p_data)

{
  btif_hl_mdl_cb_t* p_dcb;
  uint8_t app_idx, mcl_idx, mdl_idx;

  BTIF_TRACE_DEBUG("btif_hl_proc_dch_cong_ind");

  if (btif_hl_find_mdl_idx_using_handle(p_data->dch_cong_ind.mdl_handle,
                                        &app_idx, &mcl_idx, &mdl_idx)) {
    p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
    p_dcb->cong = p_data->dch_cong_ind.cong;
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_reg_request
 *
 * Description      Process registration request
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_proc_reg_request(uint8_t app_idx, uint8_t app_id,
                                     tBTA_HL_REG_PARAM* p_reg_param,
                                     UNUSED_ATTR tBTA_HL_CBACK* p_cback) {
  BTIF_TRACE_DEBUG("%s app_idx=%d app_id=%d", __func__, app_idx, app_id);

  if (reg_counter > 1) {
    BTIF_TRACE_DEBUG("btif_hl_proc_reg_request: calling uPDATE");
    BTA_HlUpdate(app_id, p_reg_param, true, btif_hl_cback);
  } else
    BTA_HlRegister(app_id, p_reg_param, btif_hl_cback);
}

/*******************************************************************************
 *
 * Function         btif_hl_proc_cb_evt
 *
 * Description      Process HL callback events
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_proc_cb_evt(uint16_t event, char* p_param) {
  btif_hl_evt_cb_t* p_data = (btif_hl_evt_cb_t*)p_param;
  bthl_channel_state_t state = BTHL_CONN_STATE_DISCONNECTED;
  bool send_chan_cb = true;
  tBTA_HL_REG_PARAM reg_param;
  btif_hl_app_cb_t* p_acb;

  BTIF_TRACE_DEBUG("%s event %d", __func__, event);
  btif_hl_display_calling_process_name();

  switch (event) {
    case BTIF_HL_SEND_CONNECTED_CB:
    case BTIF_HL_SEND_DISCONNECTED_CB:
      if (p_data->chan_cb.cb_state == BTIF_HL_CHAN_CB_STATE_CONNECTED_PENDING)
        state = BTHL_CONN_STATE_CONNECTED;
      else if (p_data->chan_cb.cb_state ==
               BTIF_HL_CHAN_CB_STATE_DISCONNECTED_PENDING)
        state = BTHL_CONN_STATE_DISCONNECTED;
      else
        send_chan_cb = false;

      if (send_chan_cb) {
        RawAddress bd_addr = p_data->chan_cb.bd_addr;
        BTIF_TRACE_DEBUG(
            "state callbk: ch_id=0x%08x cb_state=%d state=%d  fd=%d",
            p_data->chan_cb.channel_id, p_data->chan_cb.cb_state, state,
            p_data->chan_cb.fd);
        VLOG(1) << "BD " << bd_addr;
        BTIF_HL_CALL_CBACK(
            bt_hl_callbacks, channel_state_cb, p_data->chan_cb.app_id, &bd_addr,
            p_data->chan_cb.mdep_cfg_index, p_data->chan_cb.channel_id, state,
            p_data->chan_cb.fd);
      }

      break;

    case BTIF_HL_REG_APP:
      reg_counter++;
      p_acb = BTIF_HL_GET_APP_CB_PTR(p_data->reg.app_idx);
      BTIF_TRACE_DEBUG("Rcv BTIF_HL_REG_APP app_idx=%d reg_pending=%d",
                       p_data->reg.app_idx, p_acb->reg_pending);
      if (btif_hl_get_state() == BTIF_HL_STATE_ENABLED && p_acb->reg_pending) {
        BTIF_TRACE_DEBUG("Rcv BTIF_HL_REG_APP reg_counter=%d", reg_counter);
        p_acb->reg_pending = false;
        reg_param.dev_type = p_acb->dev_type;
        reg_param.sec_mask = BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT;
        reg_param.p_srv_name = p_acb->srv_name;
        reg_param.p_srv_desp = p_acb->srv_desp;
        reg_param.p_provider_name = p_acb->provider_name;
        btif_hl_proc_reg_request(p_data->reg.app_idx, p_acb->app_id, &reg_param,
                                 btif_hl_cback);
      } else {
        BTIF_TRACE_DEBUG("reg request is processed state=%d reg_pending=%d",
                         btif_hl_get_state(), p_acb->reg_pending);
      }
      break;

    case BTIF_HL_UNREG_APP:
      reg_counter--;
      BTIF_TRACE_DEBUG("Rcv BTIF_HL_UNREG_APP app_idx=%d",
                       p_data->unreg.app_idx);
      p_acb = BTIF_HL_GET_APP_CB_PTR(p_data->unreg.app_idx);
      if (btif_hl_get_state() == BTIF_HL_STATE_ENABLED) {
        if (reg_counter >= 1)
          BTA_HlUpdate(p_acb->app_id, NULL, false, NULL);
        else
          BTA_HlDeregister(p_acb->app_id, p_acb->app_handle);
      }
      break;

    case BTIF_HL_UPDATE_MDL:
      BTIF_TRACE_DEBUG("Rcv BTIF_HL_UPDATE_MDL app_idx=%d",
                       p_data->update_mdl.app_idx);
      p_acb = BTIF_HL_GET_APP_CB_PTR(p_data->update_mdl.app_idx);
      break;

    default:
      BTIF_TRACE_ERROR("Unknown event %d", event);
      break;
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_upstreams_evt
 *
 * Description      Process HL events
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_upstreams_evt(uint16_t event, char* p_param) {
  tBTA_HL* p_data = (tBTA_HL*)p_param;
  uint8_t app_idx, mcl_idx;
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb = NULL;
  btif_hl_pend_dch_op_t pending_op;
  bool status;

  BTIF_TRACE_DEBUG("%s event %d", __func__, event);
  btif_hl_display_calling_process_name();
  switch (event) {
    case BTA_HL_REGISTER_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_REGISTER_CFM_EVT");
      BTIF_TRACE_DEBUG("app_id=%d app_handle=%d status=%d ",
                       p_data->reg_cfm.app_id, p_data->reg_cfm.app_handle,
                       p_data->reg_cfm.status);

      btif_hl_proc_reg_cfm(p_data);
      break;
    case BTA_HL_SDP_INFO_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_SDP_INFO_IND_EVT");
      BTIF_TRACE_DEBUG(
          "app_handle=%d ctrl_psm=0x%04x data_psm=0x%04x x_spec=%d "
          "mcap_sup_procs=0x%02x",
          p_data->sdp_info_ind.app_handle, p_data->sdp_info_ind.ctrl_psm,
          p_data->sdp_info_ind.data_psm, p_data->sdp_info_ind.data_x_spec,
          p_data->sdp_info_ind.mcap_sup_procs);
      // btif_hl_proc_sdp_info_ind(p_data);
      break;

    case BTA_HL_DEREGISTER_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DEREGISTER_CFM_EVT");
      BTIF_TRACE_DEBUG("app_handle=%d status=%d ", p_data->dereg_cfm.app_handle,
                       p_data->dereg_cfm.status);
      btif_hl_proc_dereg_cfm(p_data);
      break;

    case BTA_HL_SDP_QUERY_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_SDP_QUERY_CFM_EVT");
      BTIF_TRACE_DEBUG("app_handle=%d app_id =%d,status =%d",
                       p_data->sdp_query_cfm.app_handle,
                       p_data->sdp_query_cfm.app_id,
                       p_data->sdp_query_cfm.status);
      VLOG(0) << "DB " << p_data->sdp_query_cfm.bd_addr;

      if (p_data->sdp_query_cfm.status == BTA_HL_STATUS_OK)
        status = btif_hl_proc_sdp_query_cfm(p_data);
      else
        status = false;

      if (!status) {
        BTIF_TRACE_DEBUG("BTA_HL_SDP_QUERY_CFM_EVT Status = %d",
                         p_data->sdp_query_cfm.status);
        if (btif_hl_find_app_idx_using_app_id(p_data->sdp_query_cfm.app_id,
                                              &app_idx)) {
          p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
          if (btif_hl_find_mcl_idx(app_idx, p_data->sdp_query_cfm.bd_addr,
                                   &mcl_idx)) {
            p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
            if ((p_mcb->cch_oper == BTIF_HL_CCH_OP_MDEP_FILTERING) ||
                (p_mcb->cch_oper == BTIF_HL_CCH_OP_DCH_OPEN)) {
              pending_op = p_mcb->pcb.op;
              switch (pending_op) {
                case BTIF_HL_PEND_DCH_OP_OPEN:
                  btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
                  break;
                case BTIF_HL_PEND_DCH_OP_RECONNECT:
                case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
                default:
                  break;
              }
              if (!p_mcb->is_connected) btif_hl_clean_mcl_cb(app_idx, mcl_idx);
            }
          }
        }
      }

      break;

    case BTA_HL_CCH_OPEN_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CCH_OPEN_CFM_EVT");
      BTIF_TRACE_DEBUG(
          "app_id=%d,app_handle=%d mcl_handle=%d status =%d",
          p_data->cch_open_cfm.app_id, p_data->cch_open_cfm.app_handle,
          p_data->cch_open_cfm.mcl_handle, p_data->cch_open_cfm.status);
      VLOG(1) << "BD " << p_data->cch_open_cfm.bd_addr;

      if (p_data->cch_open_cfm.status == BTA_HL_STATUS_OK ||
          p_data->cch_open_cfm.status == BTA_HL_STATUS_DUPLICATE_CCH_OPEN) {
        status = btif_hl_proc_cch_open_cfm(p_data);
      } else {
        status = false;
      }

      if (!status) {
        if (btif_hl_find_app_idx_using_app_id(p_data->cch_open_cfm.app_id,
                                              &app_idx)) {
          p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
          if (btif_hl_find_mcl_idx(app_idx, p_data->cch_open_cfm.bd_addr,
                                   &mcl_idx)) {
            p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
            pending_op = p_mcb->pcb.op;
            switch (pending_op) {
              case BTIF_HL_PEND_DCH_OP_OPEN:
                btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
                break;
              case BTIF_HL_PEND_DCH_OP_RECONNECT:
              case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
              default:
                break;
            }
            btif_hl_clean_mcl_cb(app_idx, mcl_idx);
          }
        }
      }
      break;

    case BTA_HL_DCH_OPEN_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_OPEN_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_handle=0x%x status=%d ",
                       p_data->dch_open_cfm.mcl_handle,
                       p_data->dch_open_cfm.mdl_handle,
                       p_data->dch_open_cfm.status);
      BTIF_TRACE_DEBUG(
          "first_reliable =%d dch_mode=%d local_mdep_id=%d mdl_id=%d mtu=%d",
          p_data->dch_open_cfm.first_reliable, p_data->dch_open_cfm.dch_mode,
          p_data->dch_open_cfm.local_mdep_id, p_data->dch_open_cfm.mdl_id,
          p_data->dch_open_cfm.mtu);
      if (p_data->dch_open_cfm.status == BTA_HL_STATUS_OK) {
        status = btif_hl_proc_dch_open_cfm(p_data);
      } else {
        status = false;
      }

      if (!status) {
        if (btif_hl_find_mcl_idx_using_handle(p_data->dch_open_cfm.mcl_handle,
                                              &app_idx, &mcl_idx)) {
          p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
          pending_op = p_mcb->pcb.op;
          switch (pending_op) {
            case BTIF_HL_PEND_DCH_OP_OPEN:
              btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
              break;
            case BTIF_HL_PEND_DCH_OP_RECONNECT:
            case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
            default:
              break;
          }
        }
      }
      break;

    case BTA_HL_CCH_OPEN_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CCH_OPEN_IND_EVT");
      BTIF_TRACE_DEBUG("app_handle=%d mcl_handle=%d",
                       p_data->cch_open_ind.app_handle,
                       p_data->cch_open_ind.mcl_handle);
      VLOG(0) << "DB " << p_data->cch_open_ind.bd_addr;

      btif_hl_proc_cch_open_ind(p_data);
      break;

    case BTA_HL_DCH_CREATE_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_CREATE_IND_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d", p_data->dch_create_ind.mcl_handle);
      BTIF_TRACE_DEBUG("local_mdep_id =%d mdl_id=%d cfg=%d",
                       p_data->dch_create_ind.local_mdep_id,
                       p_data->dch_create_ind.mdl_id,
                       p_data->dch_create_ind.cfg);
      btif_hl_proc_create_ind(p_data);
      break;

    case BTA_HL_DCH_OPEN_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_OPEN_IND_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_handle=0x%x",
                       p_data->dch_open_ind.mcl_handle,
                       p_data->dch_open_ind.mdl_handle);
      BTIF_TRACE_DEBUG(
          "first_reliable =%d dch_mode=%d local_mdep_id=%d mdl_id=%d mtu=%d",
          p_data->dch_open_ind.first_reliable, p_data->dch_open_ind.dch_mode,
          p_data->dch_open_ind.local_mdep_id, p_data->dch_open_ind.mdl_id,
          p_data->dch_open_ind.mtu);

      btif_hl_proc_dch_open_ind(p_data);
      break;

    case BTA_HL_DELETE_MDL_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DELETE_MDL_IND_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_id=0x%x",
                       p_data->delete_mdl_ind.mcl_handle,
                       p_data->delete_mdl_ind.mdl_id);
      break;

    case BTA_HL_DELETE_MDL_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DELETE_MDL_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_id=0x%x status=%d",
                       p_data->delete_mdl_cfm.mcl_handle,
                       p_data->delete_mdl_cfm.mdl_id,
                       p_data->delete_mdl_cfm.status);

      if (btif_hl_find_app_idx_using_deleted_mdl_id(
              p_data->delete_mdl_cfm.mdl_id, &app_idx)) {
        p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
        btif_hl_send_destroyed_cb(p_acb);
        btif_hl_clean_delete_mdl(&p_acb->delete_mdl);
      }
      break;

    case BTA_HL_DCH_RECONNECT_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_RECONNECT_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_handle=%d status=%d   ",
                       p_data->dch_reconnect_cfm.mcl_handle,
                       p_data->dch_reconnect_cfm.mdl_handle,
                       p_data->dch_reconnect_cfm.status);
      BTIF_TRACE_DEBUG("first_reliable =%d dch_mode=%d mdl_id=%d mtu=%d",
                       p_data->dch_reconnect_cfm.first_reliable,
                       p_data->dch_reconnect_cfm.dch_mode,
                       p_data->dch_reconnect_cfm.mdl_id,
                       p_data->dch_reconnect_cfm.mtu);

      if (p_data->dch_reconnect_cfm.status == BTA_HL_STATUS_OK) {
        status = btif_hl_proc_dch_reconnect_cfm(p_data);
      } else {
        status = false;
      }

      if (!status) {
        if (btif_hl_find_mcl_idx_using_handle(p_data->dch_open_cfm.mcl_handle,
                                              &app_idx, &mcl_idx)) {
          p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
          pending_op = p_mcb->pcb.op;
          switch (pending_op) {
            case BTIF_HL_PEND_DCH_OP_OPEN:
              btif_hl_send_setup_disconnected_cb(app_idx, mcl_idx);
              break;
            case BTIF_HL_PEND_DCH_OP_RECONNECT:
            case BTIF_HL_PEND_DCH_OP_DELETE_MDL:
            default:
              break;
          }
        }
      }

      break;

    case BTA_HL_CCH_CLOSE_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CCH_CLOSE_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d status =%d",
                       p_data->cch_close_cfm.mcl_handle,
                       p_data->cch_close_cfm.status);
      if (p_data->cch_close_cfm.status == BTA_HL_STATUS_OK) {
        btif_hl_proc_cch_close_cfm(p_data);
      }
      break;

    case BTA_HL_CCH_CLOSE_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CCH_CLOSE_IND_EVT");
      BTIF_TRACE_DEBUG("mcl_handle =%d intentional_close=%s",
                       p_data->cch_close_ind.mcl_handle,
                       (p_data->cch_close_ind.intentional ? "Yes" : "No"));

      btif_hl_proc_cch_close_ind(p_data);
      break;

    case BTA_HL_DCH_CLOSE_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_CLOSE_IND_EVT");
      BTIF_TRACE_DEBUG("mdl_handle=%d intentional_close=%s",
                       p_data->dch_close_ind.mdl_handle,
                       (p_data->dch_close_ind.intentional ? "Yes" : "No"));

      btif_hl_proc_dch_close_ind(p_data);
      break;

    case BTA_HL_DCH_CLOSE_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_CLOSE_CFM_EVT");
      BTIF_TRACE_DEBUG("mdl_handle=%d status=%d ",
                       p_data->dch_close_cfm.mdl_handle,
                       p_data->dch_close_cfm.status);

      if (p_data->dch_close_cfm.status == BTA_HL_STATUS_OK) {
        btif_hl_proc_dch_close_cfm(p_data);
      }
      break;

    case BTA_HL_DCH_ECHO_TEST_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_ECHO_TEST_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d    status=%d",
                       p_data->echo_test_cfm.mcl_handle,
                       p_data->echo_test_cfm.status);
      /* not supported */
      break;

    case BTA_HL_DCH_RECONNECT_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_RECONNECT_IND_EVT");

      BTIF_TRACE_DEBUG("mcl_handle=%d mdl_handle=5d",
                       p_data->dch_reconnect_ind.mcl_handle,
                       p_data->dch_reconnect_ind.mdl_handle);
      BTIF_TRACE_DEBUG("first_reliable =%d dch_mode=%d mdl_id=%d mtu=%d",
                       p_data->dch_reconnect_ind.first_reliable,
                       p_data->dch_reconnect_ind.dch_mode,
                       p_data->dch_reconnect_ind.mdl_id,
                       p_data->dch_reconnect_ind.mtu);

      btif_hl_proc_dch_reconnect_ind(p_data);
      break;

    case BTA_HL_CONG_CHG_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CONG_CHG_IND_EVT");
      BTIF_TRACE_DEBUG("mdl_handle=%d cong =%d",
                       p_data->dch_cong_ind.mdl_handle,
                       p_data->dch_cong_ind.cong);
      btif_hl_proc_dch_cong_ind(p_data);
      break;

    case BTA_HL_DCH_ABORT_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_ABORT_IND_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d", p_data->dch_abort_ind.mcl_handle);
      btif_hl_proc_abort_ind(p_data->dch_abort_ind.mcl_handle);
      break;
    case BTA_HL_DCH_ABORT_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_ABORT_CFM_EVT");
      BTIF_TRACE_DEBUG("mcl_handle=%d status =%d",
                       p_data->dch_abort_cfm.mcl_handle,
                       p_data->dch_abort_cfm.status);
      if (p_data->dch_abort_cfm.status == BTA_HL_STATUS_OK) {
        btif_hl_proc_abort_cfm(p_data->dch_abort_ind.mcl_handle);
      }
      break;

    case BTA_HL_DCH_SEND_DATA_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_SEND_DATA_CFM_EVT");
      BTIF_TRACE_DEBUG("mdl_handle=0x%x status =%d",
                       p_data->dch_send_data_cfm.mdl_handle,
                       p_data->dch_send_data_cfm.status);
      btif_hl_proc_send_data_cfm(p_data->dch_send_data_cfm.mdl_handle,
                                 p_data->dch_send_data_cfm.status);
      break;

    case BTA_HL_DCH_RCV_DATA_IND_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_DCH_RCV_DATA_IND_EVT");
      BTIF_TRACE_DEBUG("mdl_handle=0x%x ", p_data->dch_rcv_data_ind.mdl_handle);
      /* do nothing here */
      break;

    default:
      BTIF_TRACE_DEBUG("Unknown Event (0x%02x)...", event);
      break;
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_cback
 *
 * Description      Callback function for HL events
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_cback(tBTA_HL_EVT event, tBTA_HL* p_data) {
  bt_status_t status;
  int param_len = 0;
  BTIF_TRACE_DEBUG("%s event %d", __func__, event);
  btif_hl_display_calling_process_name();
  switch (event) {
    case BTA_HL_REGISTER_CFM_EVT:
      param_len = sizeof(tBTA_HL_REGISTER_CFM);
      break;
    case BTA_HL_SDP_INFO_IND_EVT:
      param_len = sizeof(tBTA_HL_SDP_INFO_IND);
      break;
    case BTA_HL_DEREGISTER_CFM_EVT:
      param_len = sizeof(tBTA_HL_DEREGISTER_CFM);
      break;
    case BTA_HL_SDP_QUERY_CFM_EVT:
      param_len = sizeof(tBTA_HL_SDP_QUERY_CFM);
      break;
    case BTA_HL_CCH_OPEN_CFM_EVT:
      param_len = sizeof(tBTA_HL_CCH_OPEN_CFM);
      break;
    case BTA_HL_DCH_OPEN_CFM_EVT:
      param_len = sizeof(tBTA_HL_DCH_OPEN_CFM);
      break;
    case BTA_HL_CCH_OPEN_IND_EVT:
      param_len = sizeof(tBTA_HL_CCH_OPEN_IND);
      break;
    case BTA_HL_DCH_CREATE_IND_EVT:
      param_len = sizeof(tBTA_HL_DCH_CREATE_IND);
      break;
    case BTA_HL_DCH_OPEN_IND_EVT:
      param_len = sizeof(tBTA_HL_DCH_OPEN_IND);
      break;
    case BTA_HL_DELETE_MDL_IND_EVT:
      param_len = sizeof(tBTA_HL_MDL_IND);
      break;
    case BTA_HL_DELETE_MDL_CFM_EVT:
      param_len = sizeof(tBTA_HL_MDL_CFM);
      break;
    case BTA_HL_DCH_RECONNECT_CFM_EVT:
      param_len = sizeof(tBTA_HL_DCH_OPEN_CFM);
      break;
    case BTA_HL_CCH_CLOSE_CFM_EVT:
      param_len = sizeof(tBTA_HL_MCL_CFM);
      break;
    case BTA_HL_CCH_CLOSE_IND_EVT:
      param_len = sizeof(tBTA_HL_CCH_CLOSE_IND);
      break;
    case BTA_HL_DCH_CLOSE_IND_EVT:
      param_len = sizeof(tBTA_HL_DCH_CLOSE_IND);
      break;
    case BTA_HL_DCH_CLOSE_CFM_EVT:
      param_len = sizeof(tBTA_HL_MDL_CFM);
      break;
    case BTA_HL_DCH_ECHO_TEST_CFM_EVT:
      param_len = sizeof(tBTA_HL_MCL_CFM);
      break;
    case BTA_HL_DCH_RECONNECT_IND_EVT:
      param_len = sizeof(tBTA_HL_DCH_OPEN_IND);
      break;
    case BTA_HL_CONG_CHG_IND_EVT:
      param_len = sizeof(tBTA_HL_DCH_CONG_IND);
      break;
    case BTA_HL_DCH_ABORT_IND_EVT:
      param_len = sizeof(tBTA_HL_MCL_IND);
      break;
    case BTA_HL_DCH_ABORT_CFM_EVT:
      param_len = sizeof(tBTA_HL_MCL_CFM);
      break;
    case BTA_HL_DCH_SEND_DATA_CFM_EVT:
      param_len = sizeof(tBTA_HL_MDL_CFM);
      break;
    case BTA_HL_DCH_RCV_DATA_IND_EVT:
      param_len = sizeof(tBTA_HL_MDL_IND);
      break;
    default:
      param_len = sizeof(tBTA_HL_MDL_IND);
      break;
  }
  status = btif_transfer_context(btif_hl_upstreams_evt, (uint16_t)event,
                                 (char*)p_data, param_len, NULL);

  /* catch any failed context transfers */
  ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
}

/*******************************************************************************
 *
 * Function         btif_hl_upstreams_ctrl_evt
 *
 * Description      Callback function for HL control events in the BTIF task
 *                  context
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_upstreams_ctrl_evt(uint16_t event, char* p_param) {
  tBTA_HL_CTRL* p_data = (tBTA_HL_CTRL*)p_param;
  uint8_t i;
  tBTA_HL_REG_PARAM reg_param;
  btif_hl_app_cb_t* p_acb;

  BTIF_TRACE_DEBUG("%s event %d", __func__, event);
  btif_hl_display_calling_process_name();

  switch (event) {
    case BTA_HL_CTRL_ENABLE_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CTRL_ENABLE_CFM_EVT");
      BTIF_TRACE_DEBUG("status=%d", p_data->enable_cfm.status);

      if (p_data->enable_cfm.status == BTA_HL_STATUS_OK) {
        btif_hl_set_state(BTIF_HL_STATE_ENABLED);

        for (i = 0; i < BTA_HL_NUM_APPS; i++) {
          p_acb = BTIF_HL_GET_APP_CB_PTR(i);
          if (p_acb->in_use && p_acb->reg_pending) {
            p_acb->reg_pending = false;
            reg_param.dev_type = p_acb->dev_type;
            reg_param.sec_mask = BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT;
            reg_param.p_srv_name = p_acb->srv_name;
            reg_param.p_srv_desp = p_acb->srv_desp;
            reg_param.p_provider_name = p_acb->provider_name;

            BTIF_TRACE_DEBUG("Register pending app_id=%d", p_acb->app_id);
            btif_hl_proc_reg_request(i, p_acb->app_id, &reg_param,
                                     btif_hl_cback);
          }
        }
      }

      break;
    case BTA_HL_CTRL_DISABLE_CFM_EVT:
      BTIF_TRACE_DEBUG("Rcv BTA_HL_CTRL_DISABLE_CFM_EVT");
      BTIF_TRACE_DEBUG("status=%d", p_data->disable_cfm.status);

      if (p_data->disable_cfm.status == BTA_HL_STATUS_OK) {
        for (size_t i = 0; i < BTA_HL_NUM_APPS; i++) {
          for (size_t j = 0; j < BTA_HL_NUM_MCLS; j++) {
            alarm_free(p_btif_hl_cb->acb[i].mcb[j].cch_timer);
          }
        }
        memset(p_btif_hl_cb, 0, sizeof(btif_hl_cb_t));
        btif_hl_set_state(BTIF_HL_STATE_DISABLED);
      }

      break;
    default:
      break;
  }
}

/*******************************************************************************
 *
 * Function         btif_hl_ctrl_cback
 *
 * Description      Callback function for HL control events
 *
 * Returns          void
 *
 ******************************************************************************/
static void btif_hl_ctrl_cback(tBTA_HL_CTRL_EVT event, tBTA_HL_CTRL* p_data) {
  bt_status_t status;
  int param_len = 0;

  BTIF_TRACE_DEBUG("%s event %d", __func__, event);
  btif_hl_display_calling_process_name();

  switch (event) {
    case BTA_HL_CTRL_ENABLE_CFM_EVT:
    case BTA_HL_CTRL_DISABLE_CFM_EVT:
      param_len = sizeof(tBTA_HL_CTRL_ENABLE_DISABLE);
      break;
    default:
      break;
  }

  status = btif_transfer_context(btif_hl_upstreams_ctrl_evt, (uint16_t)event,
                                 (char*)p_data, param_len, NULL);
  ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
}
/*******************************************************************************
 *
 * Function         connect_channel
 *
 * Description     connect a data channel
 *
 * Returns         bt_status_t
 *
 ******************************************************************************/
static bt_status_t connect_channel(int app_id, RawAddress* bd_addr,
                                   int mdep_cfg_index, int* channel_id) {
  uint8_t app_idx, mcl_idx;
  btif_hl_app_cb_t* p_acb = NULL;
  btif_hl_pending_chan_cb_t* p_pcb = NULL;
  btif_hl_mcl_cb_t* p_mcb = NULL;
  bt_status_t status = BT_STATUS_SUCCESS;
  tBTA_HL_DCH_OPEN_PARAM dch_open;

  CHECK_BTHL_INIT();
  BTIF_TRACE_EVENT("%s", __func__);
  btif_hl_display_calling_process_name();

  if (btif_hl_find_app_idx(((uint8_t)app_id), &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    if (btif_hl_find_mcl_idx(app_idx, *bd_addr, &mcl_idx)) {
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
      if (p_mcb->is_connected) {
        dch_open.ctrl_psm = p_mcb->ctrl_psm;
        dch_open.local_mdep_id =
            p_acb->sup_feature.mdep[mdep_cfg_index].mdep_id;
        BTIF_TRACE_DEBUG(
            "connect_channel: app_idx =%d, mdep_cfg_indx =%d, mdep_id =%d "
            "app_id= %d",
            app_idx, mdep_cfg_index, dch_open.local_mdep_id, app_id);
        if (btif_hl_find_peer_mdep_id(
                p_acb->app_id, p_mcb->bd_addr,
                p_acb->sup_feature.mdep[mdep_cfg_index].mdep_cfg.mdep_role,
                p_acb->sup_feature.mdep[mdep_cfg_index]
                    .mdep_cfg.data_cfg[0]
                    .data_type,
                &dch_open.peer_mdep_id)) {
          dch_open.local_cfg = p_acb->channel_type[mdep_cfg_index];
          if ((p_acb->sup_feature.mdep[mdep_cfg_index].mdep_cfg.mdep_role ==
               BTA_HL_MDEP_ROLE_SOURCE) &&
              !btif_hl_is_the_first_reliable_existed(app_idx, mcl_idx)) {
            dch_open.local_cfg = BTA_HL_DCH_CFG_RELIABLE;
          }
          dch_open.sec_mask = (BTA_SEC_AUTHENTICATE | BTA_SEC_ENCRYPT);

          if (!btif_hl_dch_open(p_acb->app_id, *bd_addr, &dch_open,
                                mdep_cfg_index, BTIF_HL_PEND_DCH_OP_OPEN,
                                channel_id)) {
            status = BT_STATUS_FAIL;
            BTIF_TRACE_EVENT("%s loc0 status = BT_STATUS_FAIL", __func__);
          }
        } else {
          p_mcb->cch_oper = BTIF_HL_CCH_OP_MDEP_FILTERING;

          p_pcb = BTIF_HL_GET_PCB_PTR(app_idx, mcl_idx);
          p_pcb->in_use = true;
          p_pcb->mdep_cfg_idx = mdep_cfg_index;
          p_pcb->bd_addr = *bd_addr;
          p_pcb->op = BTIF_HL_PEND_DCH_OP_OPEN;
          BTA_HlSdpQuery(app_id, p_acb->app_handle, *bd_addr);
        }
      } else {
        status = BT_STATUS_FAIL;
      }
    } else {
      p_acb->filter.num_elems = 1;
      p_acb->filter.elem[0].data_type = p_acb->sup_feature.mdep[mdep_cfg_index]
                                            .mdep_cfg.data_cfg[mdep_cfg_index]
                                            .data_type;
      if (p_acb->sup_feature.mdep[mdep_cfg_index].mdep_cfg.mdep_role ==
          BTA_HL_MDEP_ROLE_SINK)
        p_acb->filter.elem[0].peer_mdep_role = BTA_HL_MDEP_ROLE_SOURCE;
      else
        p_acb->filter.elem[0].peer_mdep_role = BTA_HL_MDEP_ROLE_SINK;

      if (!btif_hl_cch_open(p_acb->app_id, *bd_addr, 0, mdep_cfg_index,
                            BTIF_HL_PEND_DCH_OP_OPEN, channel_id)) {
        status = BT_STATUS_FAIL;
      }
    }
  } else {
    status = BT_STATUS_FAIL;
  }

  BTIF_TRACE_DEBUG("%s status=%d channel_id=0x%08x", __func__, status,
                   *channel_id);

  return status;
}
/*******************************************************************************
 *
 * Function         destroy_channel
 *
 * Description      destroy a data channel
 *
 * Returns         bt_status_t
 *
 ******************************************************************************/
static bt_status_t destroy_channel(int channel_id) {
  uint8_t app_idx, mcl_idx, mdl_cfg_idx, mdep_cfg_idx = 0;
  bt_status_t status = BT_STATUS_SUCCESS;
  btif_hl_mdl_cfg_t* p_mdl;
  btif_hl_mcl_cb_t* p_mcb;
  btif_hl_app_cb_t* p_acb;

  CHECK_BTHL_INIT();
  BTIF_TRACE_EVENT("%s channel_id=0x%08x", __func__, channel_id);
  btif_hl_display_calling_process_name();

  if (btif_hl_if_channel_setup_pending(channel_id, &app_idx, &mcl_idx)) {
    btif_hl_dch_abort(app_idx, mcl_idx);
  } else {
    if (btif_hl_find_mdl_cfg_idx_using_channel_id(channel_id, &app_idx,
                                                  &mdl_cfg_idx))
    //       if(btif_hl_find_mdl_idx_using_channel_id(channel_id,
    //       &app_idx,&mcl_idx, &mdl_idx))
    {
      p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
      if (!p_acb->delete_mdl.active) {
        p_mdl = BTIF_HL_GET_MDL_CFG_PTR(app_idx, mdl_cfg_idx);
        p_acb->delete_mdl.active = true;
        p_acb->delete_mdl.mdl_id = p_mdl->base.mdl_id;
        p_acb->delete_mdl.channel_id = channel_id;
        p_acb->delete_mdl.mdep_cfg_idx = p_mdl->extra.mdep_cfg_idx;
        p_acb->delete_mdl.bd_addr = p_mdl->base.peer_bd_addr;

        if (btif_hl_find_mcl_idx(app_idx, p_mdl->base.peer_bd_addr, &mcl_idx)) {
          p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
          if (p_mcb->is_connected) {
            BTIF_TRACE_DEBUG("calling BTA_HlDeleteMdl mdl_id=%d",
                             p_acb->delete_mdl.mdl_id);
            BTA_HlDeleteMdl(p_mcb->mcl_handle, p_acb->delete_mdl.mdl_id);
          } else {
            status = BT_STATUS_FAIL;
          }
        } else {
          BTIF_TRACE_DEBUG("btif_hl_delete_mdl calling btif_hl_cch_open");
          mdep_cfg_idx = p_mdl->extra.mdep_cfg_idx;
          p_acb->filter.num_elems = 1;
          p_acb->filter.elem[0].data_type =
              p_acb->sup_feature.mdep[mdep_cfg_idx]
                  .mdep_cfg.data_cfg[mdep_cfg_idx]
                  .data_type;
          if (p_acb->sup_feature.mdep[mdep_cfg_idx].mdep_cfg.mdep_role ==
              BTA_HL_MDEP_ROLE_SINK)
            p_acb->filter.elem[0].peer_mdep_role = BTA_HL_MDEP_ROLE_SOURCE;
          else
            p_acb->filter.elem[0].peer_mdep_role = BTA_HL_MDEP_ROLE_SINK;
          if (btif_hl_cch_open(p_acb->app_id, p_acb->delete_mdl.bd_addr, 0,
                               mdep_cfg_idx, BTIF_HL_PEND_DCH_OP_DELETE_MDL,
                               NULL)) {
            status = BT_STATUS_FAIL;
          }
        }

        if (status == BT_STATUS_FAIL) {
          /* fail for now  */
          btif_hl_clean_delete_mdl(&p_acb->delete_mdl);
        }
      } else {
        status = BT_STATUS_BUSY;
      }
    } else {
      status = BT_STATUS_FAIL;
    }
  }
  return status;
}
/*******************************************************************************
 *
 * Function         unregister_application
 *
 * Description     unregister an HDP application
 *
 * Returns         bt_status_t
 *
 ******************************************************************************/
static bt_status_t unregister_application(int app_id) {
  uint8_t app_idx;
  int len;
  bt_status_t status = BT_STATUS_SUCCESS;
  btif_hl_evt_cb_t evt_param;

  CHECK_BTHL_INIT();
  BTIF_TRACE_EVENT("%s app_id=%d", __func__, app_id);
  btif_hl_display_calling_process_name();

  if (btif_hl_find_app_idx(((uint8_t)app_id), &app_idx)) {
    evt_param.unreg.app_idx = app_idx;
    reg_counter--;
    len = sizeof(btif_hl_unreg_t);
    status = btif_transfer_context(btif_hl_proc_cb_evt, BTIF_HL_UNREG_APP,
                                   (char*)&evt_param, len, NULL);
    ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
  } else {
    status = BT_STATUS_FAIL;
  }

  BTIF_TRACE_DEBUG("de-reg return status=%d", status);
  return status;
}
/*******************************************************************************
 *
 * Function         register_application
 *
 * Description     register an HDP application
 *
 * Returns         bt_status_t
 *
 ******************************************************************************/
static bt_status_t register_application(bthl_reg_param_t* p_reg_param,
                                        int* app_id) {
  btif_hl_app_cb_t* p_acb;
  tBTA_HL_SUP_FEATURE* p_sup;
  tBTA_HL_MDEP_CFG* p_cfg;
  tBTA_HL_MDEP_DATA_TYPE_CFG* p_data;
  uint8_t app_idx = 0, i = 0;
  bthl_mdep_cfg_t* p_mdep_cfg;
  bt_status_t status = BT_STATUS_SUCCESS;
  btif_hl_evt_cb_t evt_param;
  int len;

  CHECK_BTHL_INIT();
  BTIF_TRACE_EVENT("%s", __func__);
  btif_hl_display_calling_process_name();

  if (btif_hl_get_state() == BTIF_HL_STATE_DISABLED) {
    btif_hl_init();
    btif_hl_set_state(BTIF_HL_STATE_ENABLING);
    BTA_HlEnable(btif_hl_ctrl_cback);
  }

  if (!btif_hl_find_avail_app_idx(&app_idx)) {
    BTIF_TRACE_ERROR("Unable to allocate a new application control block");
    return BT_STATUS_FAIL;
  }

  p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
  p_acb->in_use = true;

  p_acb->app_id = btif_hl_get_next_app_id();

  if (p_reg_param->application_name != NULL)
    strncpy(p_acb->application_name, p_reg_param->application_name,
            BTIF_HL_APPLICATION_NAME_LEN);

  if (p_reg_param->provider_name != NULL)
    strncpy(p_acb->provider_name, p_reg_param->provider_name,
            BTA_PROVIDER_NAME_LEN);

  if (p_reg_param->srv_name != NULL)
    strncpy(p_acb->srv_name, p_reg_param->srv_name, BTA_SERVICE_NAME_LEN);

  if (p_reg_param->srv_desp != NULL)
    strncpy(p_acb->srv_desp, p_reg_param->srv_desp, BTA_SERVICE_DESP_LEN);

  p_sup = &p_acb->sup_feature;
  p_sup->advertize_source_sdp = true;
  p_sup->echo_cfg.max_rx_apdu_size = BTIF_HL_ECHO_MAX_TX_RX_APDU_SIZE;
  p_sup->echo_cfg.max_tx_apdu_size = BTIF_HL_ECHO_MAX_TX_RX_APDU_SIZE;
  p_sup->num_of_mdeps = p_reg_param->number_of_mdeps;

  for (i = 0, p_mdep_cfg = p_reg_param->mdep_cfg; i < p_sup->num_of_mdeps;
       i++, p_mdep_cfg++) {
    p_cfg = &p_sup->mdep[i].mdep_cfg;
    p_cfg->num_of_mdep_data_types = 1;
    p_data = &p_cfg->data_cfg[0];

    if (!btif_hl_get_bta_mdep_role(p_mdep_cfg->mdep_role,
                                   &(p_cfg->mdep_role))) {
      BTIF_TRACE_ERROR("Invalid mdep_role=%d", p_mdep_cfg->mdep_role);
      status = BT_STATUS_FAIL;
      break;
    } else {
      if (p_cfg->mdep_role == BTA_HL_MDEP_ROLE_SINK)
        p_sup->app_role_mask |= BTA_HL_MDEP_ROLE_MASK_SINK;
      else
        p_sup->app_role_mask |= BTA_HL_MDEP_ROLE_MASK_SOURCE;

      if ((p_sup->app_role_mask & BTA_HL_MDEP_ROLE_MASK_SINK) &&
          (p_sup->app_role_mask & BTA_HL_MDEP_ROLE_MASK_SOURCE)) {
        p_acb->dev_type = BTA_HL_DEVICE_TYPE_DUAL;
      } else if (p_sup->app_role_mask & BTA_HL_MDEP_ROLE_MASK_SINK) {
        p_acb->dev_type = BTA_HL_DEVICE_TYPE_SINK;
      } else {
        p_acb->dev_type = BTA_HL_DEVICE_TYPE_SOURCE;
      }

      p_data->data_type = (uint16_t)p_mdep_cfg->data_type;
      p_data->max_rx_apdu_size =
          btif_hl_get_max_rx_apdu_size(p_cfg->mdep_role, p_data->data_type);
      p_data->max_tx_apdu_size =
          btif_hl_get_max_tx_apdu_size(p_cfg->mdep_role, p_data->data_type);

      if (p_mdep_cfg->mdep_description != NULL)
        strncpy(p_data->desp, p_mdep_cfg->mdep_description,
                BTA_SERVICE_DESP_LEN);

      if (!btif_hl_get_bta_channel_type(p_mdep_cfg->channel_type,
                                        &(p_acb->channel_type[i]))) {
        BTIF_TRACE_ERROR("Invalid channel_type=%d", p_mdep_cfg->channel_type);
        status = BT_STATUS_FAIL;
        break;
      }
    }
  }

  if (status == BT_STATUS_SUCCESS) {
    *app_id = (int)p_acb->app_id;
    evt_param.reg.app_idx = app_idx;
    len = sizeof(btif_hl_reg_t);
    p_acb->reg_pending = true;
    BTIF_TRACE_DEBUG("calling btif_transfer_context status=%d app_id=%d",
                     status, *app_id);
    status = btif_transfer_context(btif_hl_proc_cb_evt, BTIF_HL_REG_APP,
                                   (char*)&evt_param, len, NULL);
    ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);

  } else {
    btif_hl_free_app_idx(app_idx);
  }

  BTIF_TRACE_DEBUG("register_application status=%d app_id=%d", status, *app_id);
  return status;
}

/*******************************************************************************
 *
 * Function      btif_hl_save_mdl_cfg
 *
 * Description  Save the MDL configuration
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_save_mdl_cfg(uint8_t mdep_id, uint8_t item_idx,
                          tBTA_HL_MDL_CFG* p_mdl_cfg) {
  btif_hl_mdl_cfg_t* p_mdl = NULL;
  bool success = false;
  btif_hl_app_cb_t* p_acb;
  btif_hl_mcl_cb_t* p_mcb;
  uint8_t app_idx, mcl_idx, len;
  bt_status_t bt_status;
  btif_hl_evt_cb_t evt_param;
  int* p_channel_id;

  BTIF_TRACE_DEBUG(
      "%s mdep_id=%d item_idx=%d, local_mdep_id=%d mdl_id=0x%x dch_mode=%d",
      __func__, mdep_id, item_idx, p_mdl_cfg->local_mdep_id, p_mdl_cfg->mdl_id,
      p_mdl_cfg->dch_mode);

  if (btif_hl_find_app_idx_using_mdepId(mdep_id, &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    p_mdl = BTIF_HL_GET_MDL_CFG_PTR(app_idx, item_idx);
    p_channel_id = BTIF_HL_GET_MDL_CFG_CHANNEL_ID_PTR(app_idx, item_idx);
    if (p_mdl) {
      memcpy(&p_mdl->base, p_mdl_cfg, sizeof(tBTA_HL_MDL_CFG));
      if (btif_hl_find_mcl_idx(app_idx, p_mdl->base.peer_bd_addr, &mcl_idx)) {
        p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
        if (p_mcb->pcb.in_use)
          *p_channel_id = p_mcb->pcb.channel_id;
        else
          *p_channel_id = btif_hl_get_next_channel_id(p_acb->app_id);
        p_mdl->extra.mdep_cfg_idx = p_mcb->pcb.mdep_cfg_idx;
        p_mdl->extra.data_type =
            p_acb->sup_feature.mdep[p_mcb->pcb.mdep_cfg_idx]
                .mdep_cfg.data_cfg[0]
                .data_type;

        if (!btif_hl_find_peer_mdep_id(
                p_acb->app_id, p_mcb->bd_addr,
                p_acb->sup_feature.mdep[p_mcb->pcb.mdep_cfg_idx]
                    .mdep_cfg.mdep_role,
                p_acb->sup_feature.mdep[p_mcb->pcb.mdep_cfg_idx]
                    .mdep_cfg.data_cfg[0]
                    .data_type,
                &p_mdl->extra.peer_mdep_id)) {
          p_mdl->extra.peer_mdep_id = BTA_HL_INVALID_MDEP_ID;
        }
        BTIF_TRACE_DEBUG("%s app_idx=%d item_idx=%d mld_id=0x%x", __func__,
                         app_idx, item_idx, p_mdl->base.mdl_id);
        evt_param.update_mdl.app_idx = app_idx;
        len = sizeof(btif_hl_update_mdl_t);
        BTIF_TRACE_DEBUG("send BTIF_HL_UPDATE_MDL event app_idx=%d  ", app_idx);
        bt_status =
            btif_transfer_context(btif_hl_proc_cb_evt, BTIF_HL_UPDATE_MDL,
                                  (char*)&evt_param, len, NULL);
        if (bt_status == BT_STATUS_SUCCESS) {
          success = true;
        }
        ASSERTC(bt_status == BT_STATUS_SUCCESS, "context transfer failed",
                bt_status);
      }
    }
  }
  BTIF_TRACE_DEBUG("%s success=%d  ", __func__, success);

  return success;
}

/*******************************************************************************
 *
 * Function      btif_hl_delete_mdl_cfg
 *
 * Description  Delete the MDL configuration
 *
 * Returns      bool
 *
 ******************************************************************************/
bool btif_hl_delete_mdl_cfg(uint8_t mdep_id, uint8_t item_idx) {
  btif_hl_mdl_cfg_t* p_mdl = NULL;
  bool success = false;
  uint8_t app_idx, len;
  bt_status_t bt_status;
  btif_hl_evt_cb_t evt_param;

  if (btif_hl_find_app_idx_using_mdepId(mdep_id, &app_idx)) {
    p_mdl = BTIF_HL_GET_MDL_CFG_PTR(app_idx, item_idx);
    if (p_mdl) {
      memset(p_mdl, 0, sizeof(btif_hl_mdl_cfg_t));
      evt_param.update_mdl.app_idx = app_idx;
      len = sizeof(btif_hl_update_mdl_t);
      BTIF_TRACE_DEBUG("send BTIF_HL_UPDATE_MDL event app_idx=%d  ", app_idx);
      bt_status = btif_transfer_context(btif_hl_proc_cb_evt, BTIF_HL_UPDATE_MDL,
                                        (char*)&evt_param, len, NULL);
      if (bt_status == BT_STATUS_SUCCESS) {
        success = true;
      }
      ASSERTC(bt_status == BT_STATUS_SUCCESS, "context transfer failed",
              bt_status);
    }
  }

  BTIF_TRACE_DEBUG("%s success=%d  ", __func__, success);
  return success;
}

/*******************************************************************************
 *
 * Function         init
 *
 * Description     initializes the hl interface
 *
 * Returns         bt_status_t
 *
 ******************************************************************************/
static bt_status_t init(bthl_callbacks_t* callbacks) {
  bt_status_t status = BT_STATUS_SUCCESS;

  BTIF_TRACE_EVENT("%s", __func__);
  btif_hl_display_calling_process_name();
  bt_hl_callbacks_cb = *callbacks;
  bt_hl_callbacks = &bt_hl_callbacks_cb;
  btif_hl_soc_thread_init();
  reg_counter = 0;
  return status;
}
/*******************************************************************************
 *
 * Function         cleanup
 *
 * Description      Closes the HL interface
 *
 * Returns          void
 *
 ******************************************************************************/
static void cleanup(void) {
  BTIF_TRACE_EVENT("%s", __func__);
  btif_hl_display_calling_process_name();
  if (bt_hl_callbacks) {
    btif_disable_service(BTA_HDP_SERVICE_ID);
    bt_hl_callbacks = NULL;
    reg_counter = 0;
  }

  btif_hl_disable();
  btif_hl_close_select_thread();
}

static const bthl_interface_t bthlInterface = {
    sizeof(bthl_interface_t),
    init,
    register_application,
    unregister_application,
    connect_channel,
    destroy_channel,
    cleanup,
};

/*******************************************************************************
 *
 * Function         btif_hl_get_interface
 *
 * Description      Get the hl callback interface
 *
 * Returns          bthf_interface_t
 *
 ******************************************************************************/
const bthl_interface_t* btif_hl_get_interface() {
  BTIF_TRACE_EVENT("%s", __func__);
  return &bthlInterface;
}

/*******************************************************************************
 *
 * Function btif_hl_update_maxfd
 *
 * Description Update the max fd if the input fd is greater than the current max
 * fd
 *
 * Returns int
 *
 ******************************************************************************/
int btif_hl_update_maxfd(int max_org_s) {
  int maxfd = max_org_s;

  BTIF_TRACE_DEBUG("btif_hl_update_maxfd max_org_s= %d", max_org_s);
  for (const list_node_t* node = list_begin(soc_queue);
       node != list_end(soc_queue); node = list_next(node)) {
    btif_hl_soc_cb_t* p_scb = (btif_hl_soc_cb_t*)list_node(node);
    if (maxfd < p_scb->max_s) {
      maxfd = p_scb->max_s;
      BTIF_TRACE_DEBUG("btif_hl_update_maxfd maxfd=%d", maxfd);
    }
  }

  BTIF_TRACE_DEBUG("btif_hl_update_maxfd final *p_max_s=%d", maxfd);
  return maxfd;
}
/*******************************************************************************
 *
 * Function btif_hl_get_socket_state
 *
 * Description get socket state
 *
 * Returns btif_hl_soc_state_t
 *
 ******************************************************************************/
btif_hl_soc_state_t btif_hl_get_socket_state(btif_hl_soc_cb_t* p_scb) {
  BTIF_TRACE_DEBUG("btif_hl_get_socket_state state=%d", p_scb->state);
  return p_scb->state;
}
/*******************************************************************************
 *
 * Function btif_hl_set_socket_state
 *
 * Description set socket state
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_set_socket_state(btif_hl_soc_cb_t* p_scb,
                              btif_hl_soc_state_t new_state) {
  BTIF_TRACE_DEBUG("btif_hl_set_socket_state %d---->%d", p_scb->state,
                   new_state);
  p_scb->state = new_state;
}
/*******************************************************************************
 *
 * Function btif_hl_release_mcl_sockets
 *
 * Description Release all sockets on the MCL
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_release_mcl_sockets(uint8_t app_idx, uint8_t mcl_idx) {
  uint8_t i;
  btif_hl_mdl_cb_t* p_dcb;
  bool found = false;
  BTIF_TRACE_DEBUG("%s", __func__);
  for (i = 0; i < BTA_HL_NUM_MDLS_PER_MCL; i++) {
    p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, i);
    if (p_dcb && p_dcb->in_use && p_dcb->p_scb) {
      BTIF_TRACE_DEBUG("found socket for app_idx=%d mcl_id=%d, mdl_idx=%d",
                       app_idx, mcl_idx, i);
      btif_hl_set_socket_state(p_dcb->p_scb, BTIF_HL_SOC_STATE_W4_REL);
      p_dcb->p_scb = NULL;
      found = true;
    }
  }
  if (found) btif_hl_select_close_connected();
}
/*******************************************************************************
 *
 * Function btif_hl_release_socket
 *
 * Description release a specified socket
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_release_socket(uint8_t app_idx, uint8_t mcl_idx, uint8_t mdl_idx) {
  btif_hl_soc_cb_t* p_scb = NULL;
  btif_hl_mdl_cb_t* p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);

  BTIF_TRACE_DEBUG("%s", __func__);
  BTIF_TRACE_DEBUG("app_idx=%d mcl_idx=%d mdl_idx=%d", app_idx, mcl_idx,
                   mdl_idx);

  if (p_dcb && p_dcb->p_scb) {
    p_scb = p_dcb->p_scb;
    btif_hl_set_socket_state(p_scb, BTIF_HL_SOC_STATE_W4_REL);
    p_dcb->p_scb = NULL;
    btif_hl_select_close_connected();
  }
}
/*******************************************************************************
 *
 * Function btif_hl_create_socket
 *
 * Description create a socket
 *
 * Returns bool
 *
 ******************************************************************************/
bool btif_hl_create_socket(uint8_t app_idx, uint8_t mcl_idx, uint8_t mdl_idx) {
  btif_hl_mcl_cb_t* p_mcb = BTIF_HL_GET_MCL_CB_PTR(app_idx, mcl_idx);
  btif_hl_mdl_cb_t* p_dcb = BTIF_HL_GET_MDL_CB_PTR(app_idx, mcl_idx, mdl_idx);
  bool status = false;

  BTIF_TRACE_DEBUG("%s", __func__);

  if (p_dcb) {
    btif_hl_soc_cb_t* p_scb =
        (btif_hl_soc_cb_t*)osi_malloc(sizeof(btif_hl_soc_cb_t));
    if (socketpair(AF_UNIX, SOCK_STREAM, 0, p_scb->socket_id) >= 0) {
      BTIF_TRACE_DEBUG("socket id[0]=%d id[1]=%d", p_scb->socket_id[0],
                       p_scb->socket_id[1]);
      p_dcb->p_scb = p_scb;
      p_scb->app_idx = app_idx;
      p_scb->mcl_idx = mcl_idx;
      p_scb->mdl_idx = mdl_idx;
      p_scb->channel_id = p_dcb->channel_id;
      p_scb->mdep_cfg_idx = p_dcb->local_mdep_cfg_idx;
      p_scb->bd_addr = p_mcb->bd_addr;
      btif_hl_set_socket_state(p_scb, BTIF_HL_SOC_STATE_W4_ADD);
      p_scb->max_s = p_scb->socket_id[1];
      list_append(soc_queue, (void*)p_scb);
      btif_hl_select_wakeup();
      status = true;
    } else {
      osi_free_and_reset((void**)&p_scb);
    }
  }

  BTIF_TRACE_DEBUG("%s status=%d", __func__, status);
  return status;
}
/*******************************************************************************
 *
 * Function btif_hl_add_socket_to_set
 *
 * Description Add a socket
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_add_socket_to_set(fd_set* p_org_set) {
  btif_hl_mdl_cb_t* p_dcb = NULL;
  btif_hl_mcl_cb_t* p_mcb = NULL;
  btif_hl_app_cb_t* p_acb = NULL;
  btif_hl_evt_cb_t evt_param;
  bt_status_t status;
  int len;

  BTIF_TRACE_DEBUG("entering %s", __func__);

  for (const list_node_t* node = list_begin(soc_queue);
       node != list_end(soc_queue); node = list_next(node)) {
    btif_hl_soc_cb_t* p_scb = (btif_hl_soc_cb_t*)list_node(node);

    BTIF_TRACE_DEBUG("btif_hl_add_socket_to_set first p_scb=0x%x", p_scb);
    if (btif_hl_get_socket_state(p_scb) == BTIF_HL_SOC_STATE_W4_ADD) {
      btif_hl_set_socket_state(p_scb, BTIF_HL_SOC_STATE_W4_READ);
      FD_SET(p_scb->socket_id[1], p_org_set);
      BTIF_TRACE_DEBUG("found and set socket_id=%d is_set=%d",
                       p_scb->socket_id[1],
                       FD_ISSET(p_scb->socket_id[1], p_org_set));
      p_mcb = BTIF_HL_GET_MCL_CB_PTR(p_scb->app_idx, p_scb->mcl_idx);
      p_dcb = BTIF_HL_GET_MDL_CB_PTR(p_scb->app_idx, p_scb->mcl_idx,
                                     p_scb->mdl_idx);
      p_acb = BTIF_HL_GET_APP_CB_PTR(p_scb->app_idx);
      if (p_mcb && p_dcb) {
        btif_hl_stop_timer_using_handle(p_mcb->mcl_handle);
        evt_param.chan_cb.app_id = p_acb->app_id;
        evt_param.chan_cb.bd_addr = p_mcb->bd_addr;
        evt_param.chan_cb.channel_id = p_dcb->channel_id;
        evt_param.chan_cb.fd = p_scb->socket_id[0];
        evt_param.chan_cb.mdep_cfg_index = (int)p_dcb->local_mdep_cfg_idx;
        evt_param.chan_cb.cb_state = BTIF_HL_CHAN_CB_STATE_CONNECTED_PENDING;
        len = sizeof(btif_hl_send_chan_state_cb_t);
        status = btif_transfer_context(btif_hl_proc_cb_evt,
                                       BTIF_HL_SEND_CONNECTED_CB,
                                       (char*)&evt_param, len, NULL);
        ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
      }
    }
  }
  BTIF_TRACE_DEBUG("leaving %s", __func__);
}

/*******************************************************************************
 *
 * Function btif_hl_close_socket
 *
 * Description close a socket
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_close_socket(fd_set* p_org_set) {
  BTIF_TRACE_DEBUG("entering %s", __func__);
  for (const list_node_t* node = list_begin(soc_queue);
       node != list_end(soc_queue); node = list_next(node)) {
    btif_hl_soc_cb_t* p_scb = (btif_hl_soc_cb_t*)list_node(node);
    if (btif_hl_get_socket_state(p_scb) == BTIF_HL_SOC_STATE_W4_REL) {
      BTIF_TRACE_DEBUG("app_idx=%d mcl_id=%d, mdl_idx=%d", p_scb->app_idx,
                       p_scb->mcl_idx, p_scb->mdl_idx);
      btif_hl_set_socket_state(p_scb, BTIF_HL_SOC_STATE_IDLE);
      if (p_scb->socket_id[1] != -1) {
        FD_CLR(p_scb->socket_id[1], p_org_set);
        shutdown(p_scb->socket_id[1], SHUT_RDWR);
        close(p_scb->socket_id[1]);

        btif_hl_evt_cb_t evt_param;
        evt_param.chan_cb.app_id = (int)btif_hl_get_app_id(p_scb->channel_id);
        evt_param.chan_cb.bd_addr = p_scb->bd_addr;
        evt_param.chan_cb.channel_id = p_scb->channel_id;
        evt_param.chan_cb.fd = p_scb->socket_id[0];
        evt_param.chan_cb.mdep_cfg_index = (int)p_scb->mdep_cfg_idx;
        evt_param.chan_cb.cb_state = BTIF_HL_CHAN_CB_STATE_DISCONNECTED_PENDING;
        int len = sizeof(btif_hl_send_chan_state_cb_t);
        bt_status_t status = btif_transfer_context(
            btif_hl_proc_cb_evt, BTIF_HL_SEND_DISCONNECTED_CB,
            (char*)&evt_param, len, NULL);
        ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
      }
    }
  }

  for (const list_node_t* node = list_begin(soc_queue);
       node != list_end(soc_queue);) {
    // We may mutate this list so we need keep track of
    // the current node and only remove items behind.
    btif_hl_soc_cb_t* p_scb = (btif_hl_soc_cb_t*)list_node(node);
    BTIF_TRACE_DEBUG("p_scb=0x%x", p_scb);
    node = list_next(node);
    if (btif_hl_get_socket_state(p_scb) == BTIF_HL_SOC_STATE_IDLE) {
      btif_hl_mdl_cb_t* p_dcb = BTIF_HL_GET_MDL_CB_PTR(
          p_scb->app_idx, p_scb->mcl_idx, p_scb->mdl_idx);
      BTIF_TRACE_DEBUG(
          "idle socket app_idx=%d mcl_id=%d, mdl_idx=%d p_dcb->in_use=%d",
          p_scb->app_idx, p_scb->mcl_idx, p_scb->mdl_idx, p_dcb->in_use);
      list_remove(soc_queue, p_scb);
      osi_free(p_scb);
      p_dcb->p_scb = NULL;
    }
  }
  BTIF_TRACE_DEBUG("leaving %s", __func__);
}

/*******************************************************************************
 *
 * Function btif_hl_select_wakeup_callback
 *
 * Description Select wakup callback to add or close a socket
 *
 * Returns void
 *
 ******************************************************************************/

void btif_hl_select_wakeup_callback(fd_set* p_org_set, int wakeup_signal) {
  BTIF_TRACE_DEBUG("entering %s wakeup_signal=0x%04x", __func__, wakeup_signal);

  if (wakeup_signal == btif_hl_signal_select_wakeup) {
    btif_hl_add_socket_to_set(p_org_set);
  } else if (wakeup_signal == btif_hl_signal_select_close_connected) {
    btif_hl_close_socket(p_org_set);
  }
  BTIF_TRACE_DEBUG("leaving %s", __func__);
}

/*******************************************************************************
 *
 * Function btif_hl_select_monitor_callback
 *
 * Description Select monitor callback to check pending socket actions
 *
 * Returns void
 *
 ******************************************************************************/
void btif_hl_select_monitor_callback(fd_set* p_cur_set,
                                     UNUSED_ATTR fd_set* p_org_set) {
  BTIF_TRACE_DEBUG("entering %s", __func__);

  for (const list_node_t* node = list_begin(soc_queue);
       node != list_end(soc_queue); node = list_next(node)) {
    btif_hl_soc_cb_t* p_scb = (btif_hl_soc_cb_t*)list_node(node);
    if (btif_hl_get_socket_state(p_scb) == BTIF_HL_SOC_STATE_W4_READ) {
      if (FD_ISSET(p_scb->socket_id[1], p_cur_set)) {
        BTIF_TRACE_DEBUG("read data state= BTIF_HL_SOC_STATE_W4_READ");
        btif_hl_mdl_cb_t* p_dcb = BTIF_HL_GET_MDL_CB_PTR(
            p_scb->app_idx, p_scb->mcl_idx, p_scb->mdl_idx);
        CHECK(p_dcb != NULL);
        if (p_dcb->p_tx_pkt) {
          BTIF_TRACE_ERROR(
              "Rcv new pkt but the last pkt is still not been"
              "  sent tx_size=%d",
              p_dcb->tx_size);
          osi_free_and_reset((void**)&p_dcb->p_tx_pkt);
        }
        p_dcb->p_tx_pkt = (uint8_t*)osi_malloc(p_dcb->mtu);
        ssize_t r;
        OSI_NO_INTR(r = recv(p_scb->socket_id[1], p_dcb->p_tx_pkt, p_dcb->mtu,
                             MSG_DONTWAIT));
        if (r > 0) {
          BTIF_TRACE_DEBUG("btif_hl_select_monitor_callback send data r =%d",
                           r);
          p_dcb->tx_size = r;
          BTIF_TRACE_DEBUG(
              "btif_hl_select_monitor_callback send data tx_size=%d",
              p_dcb->tx_size);
          BTA_HlSendData(p_dcb->mdl_handle, p_dcb->tx_size);
        } else {
          BTIF_TRACE_DEBUG(
              "btif_hl_select_monitor_callback receive failed r=%d", r);
          BTA_HlDchClose(p_dcb->mdl_handle);
        }
      }
    }
  }

  if (list_is_empty(soc_queue))
    BTIF_TRACE_DEBUG("btif_hl_select_monitor_queue is empty");

  BTIF_TRACE_DEBUG("leaving %s", __func__);
}

/*******************************************************************************
 *
 * Function btif_hl_select_wakeup_init
 *
 * Description select loop wakup init
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_select_wakeup_init(fd_set* set) {
  BTIF_TRACE_DEBUG("%s", __func__);
  if (signal_fds[0] == -1 &&
      socketpair(AF_UNIX, SOCK_STREAM, 0, signal_fds) < 0) {
    BTIF_TRACE_ERROR("socketpair failed: %s", strerror(errno));
    return -1;
  }

  BTIF_TRACE_DEBUG(
      "btif_hl_select_wakeup_init signal_fds[0]=%d signal_fds[1]=%d",
      signal_fds[0], signal_fds[1]);
  FD_SET(signal_fds[0], set);

  return signal_fds[0];
}

/*******************************************************************************
 *
 * Function btif_hl_select_wakeup
 *
 * Description send a signal to wakupo the select loop
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_select_wakeup(void) {
  char sig_on = btif_hl_signal_select_wakeup;

  BTIF_TRACE_DEBUG("%s", __func__);

  ssize_t ret;
  OSI_NO_INTR(ret = send(signal_fds[1], &sig_on, sizeof(sig_on), 0));

  return (int)ret;
}

/*******************************************************************************
 *
 * Function btif_hl_select_close_connected
 *
 * Description send a signal to close a socket
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_select_close_connected(void) {
  char sig_on = btif_hl_signal_select_close_connected;

  BTIF_TRACE_DEBUG("%s", __func__);

  ssize_t ret;
  OSI_NO_INTR(ret = send(signal_fds[1], &sig_on, sizeof(sig_on), 0));

  return (int)ret;
}

/*******************************************************************************
 *
 * Function btif_hl_close_select_thread
 *
 * Description send signal to close the thread and then close all signal FDs
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_close_select_thread(void) {
  ssize_t result = 0;
  char sig_on = btif_hl_signal_select_exit;

  BTIF_TRACE_DEBUG("%", __func__);

  OSI_NO_INTR(result = send(signal_fds[1], &sig_on, sizeof(sig_on), 0));

  if (btif_is_enabled()) {
    /* Wait for the select_thread_id to exit if BT is still enabled
    and only this profile getting  cleaned up*/
    if (select_thread_id != -1) {
      pthread_join(select_thread_id, NULL);
      select_thread_id = -1;
    }
  }
  list_free(soc_queue);
  soc_queue = NULL;

  return (int)result;
}

/*******************************************************************************
 *
 * Function btif_hl_select_wake_reset
 *
 * Description clear the received signal for the select loop
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_select_wake_reset(void) {
  char sig_recv = 0;

  BTIF_TRACE_DEBUG("%s", __func__);

  ssize_t r;
  OSI_NO_INTR(
      r = recv(signal_fds[0], &sig_recv, sizeof(sig_recv), MSG_WAITALL));

  return (int)sig_recv;
}
/*******************************************************************************
 *
 * Function btif_hl_select_wake_signaled
 *
 * Description check whether a fd is set or not
 *
 * Returns int
 *
 ******************************************************************************/
static inline int btif_hl_select_wake_signaled(fd_set* set) {
  BTIF_TRACE_DEBUG("btif_hl_select_wake_signaled");
  return FD_ISSET(signal_fds[0], set);
}
/*******************************************************************************
 *
 * Function btif_hl_thread_cleanup
 *
 * Description  shut down and clean up the select loop
 *
 * Returns void
 *
 ******************************************************************************/
static void btif_hl_thread_cleanup() {
  if (listen_s != -1) close(listen_s);
  if (connected_s != -1) {
    shutdown(connected_s, SHUT_RDWR);
    close(connected_s);
  }
  listen_s = connected_s = -1;
  BTIF_TRACE_DEBUG("hl thread cleanup");
}
/*******************************************************************************
 *
 * Function btif_hl_select_thread
 *
 * Description the select loop
 *
 * Returns void
 *
 ******************************************************************************/
static void* btif_hl_select_thread(UNUSED_ATTR void* arg) {
  fd_set org_set, curr_set;
  int r, max_curr_s, max_org_s;

  BTIF_TRACE_DEBUG("entered btif_hl_select_thread");
  FD_ZERO(&org_set);
  max_org_s = btif_hl_select_wakeup_init(&org_set);
  BTIF_TRACE_DEBUG("max_s=%d ", max_org_s);

  for (;;) {
    r = 0;
    BTIF_TRACE_DEBUG("set curr_set = org_set ");
    curr_set = org_set;
    max_curr_s = max_org_s;
    int ret = select((max_curr_s + 1), &curr_set, NULL, NULL, NULL);
    BTIF_TRACE_DEBUG("select unblocked ret=%d", ret);
    if (ret == -1) {
      if (errno == EINTR) continue;
      BTIF_TRACE_DEBUG("select() ret -1, exit the thread");
      btif_hl_thread_cleanup();
      select_thread_id = -1;
      return 0;
    } else if (ret) {
      BTIF_TRACE_DEBUG("btif_hl_select_wake_signaled, signal ret=%d", ret);
      if (btif_hl_select_wake_signaled(&curr_set)) {
        r = btif_hl_select_wake_reset();
        BTIF_TRACE_DEBUG("btif_hl_select_wake_signaled, signal:%d", r);
        if (r == btif_hl_signal_select_wakeup ||
            r == btif_hl_signal_select_close_connected) {
          btif_hl_select_wakeup_callback(&org_set, r);
        } else if (r == btif_hl_signal_select_exit) {
          btif_hl_thread_cleanup();
          BTIF_TRACE_DEBUG(
              "Exit hl_select_thread for btif_hl_signal_select_exit");
          return 0;
        }
      }

      btif_hl_select_monitor_callback(&curr_set, &org_set);
      max_org_s = btif_hl_update_maxfd(max_org_s);
    } else
      BTIF_TRACE_DEBUG("no data, select ret: %d\n", ret);
  }
  BTIF_TRACE_DEBUG("leaving hl_select_thread");
  return 0;
}

/*******************************************************************************
 *
 * Function create_thread
 *
 * Description creat a select loop
 *
 * Returns pthread_t
 *
 ******************************************************************************/
static inline pthread_t create_thread(void* (*start_routine)(void*),
                                      void* arg) {
  BTIF_TRACE_DEBUG("create_thread: entered");
  pthread_attr_t thread_attr;

  pthread_attr_init(&thread_attr);
  pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE);
  pthread_t thread_id = -1;
  if (pthread_create(&thread_id, &thread_attr, start_routine, arg) != 0) {
    BTIF_TRACE_ERROR("pthread_create : %s", strerror(errno));
    return -1;
  }
  BTIF_TRACE_DEBUG("create_thread: thread created successfully");
  return thread_id;
}

/*******************************************************************************
 *
 * Function         btif_hl_soc_thread_init
 *
 * Description      HL select loop init function.
 *
 * Returns          void
 *
 ******************************************************************************/
void btif_hl_soc_thread_init(void) {
  BTIF_TRACE_DEBUG("%s", __func__);
  soc_queue = list_new(NULL);
  if (soc_queue == NULL)
    LOG_ERROR(LOG_TAG, "%s unable to allocate resources for thread", __func__);
  select_thread_id = create_thread(btif_hl_select_thread, NULL);
}
/*******************************************************************************
 *
 * Function btif_hl_load_mdl_config
 *
 * Description load the MDL configuation from the application control block
 *
 * Returns bool
 *
 ******************************************************************************/
bool btif_hl_load_mdl_config(uint8_t app_id, uint8_t buffer_size,
                             tBTA_HL_MDL_CFG* p_mdl_buf) {
  uint8_t app_idx;
  bool result = false;
  btif_hl_app_cb_t* p_acb;
  tBTA_HL_MDL_CFG* p;
  int i;
  BTIF_TRACE_DEBUG("%s", __func__);

  if (btif_hl_find_app_idx(app_id, &app_idx)) {
    p_acb = BTIF_HL_GET_APP_CB_PTR(app_idx);
    for (i = 0, p = p_mdl_buf; i < buffer_size; i++, p++) {
      memcpy(p, &p_acb->mdl_cfg[i].base, sizeof(tBTA_HL_MDL_CFG));
    }
    result = true;
  }

  BTIF_TRACE_DEBUG("result=%d", result);
  return result;
}
